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Pseudotsuga taxifolia Stock Photos and Images
RMK7YBY5–Douglas firs (Pseudotsuga menziesii) at Grouse Mountain, Vancouver, British Columbia, Canada
RM2WKBFY9–Douglas fir, Oregon pine (Pseudotsuga menziesii), cones on a tree, Europe, Bundesrepublik Deutschland
RMEHNY0Y–Douglas fir / Oregon pine / Douglas spruce (Pseudotsuga menziesii / Pseudotsuga taxifolia), close up of cone, native to the USA
RMA50F8W–DOUGLAS FIR (PSEUDOTSUGA TAXIFOLIA) SEEDLINGS / ABOUT 12 TO 18 TALL / PLANTED IN CUTOVER FOREST GROUND / WASHINGTON
RMAKHC5F–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Pacific West Coast, British Columbia, Canada
RM2AXE9H0–Forest physiography; physiography of the United States and principles of soils in relation to forestry . ¢ Idem. 44 FOREST PHYSIOGRAPHY Wash., which have such an extremely porous soil of coarse gravel, withonly a thin veneer of silt, that they constitute a locally semi-arid districtin what is otherwise a humid region. The rainfall is about 44 inchesper year, but percolation is so rapid in the loose stony ground thatthe district is a barren island surrounded by dense forests character-istic of the region. Instead of the Douglas spruce {Pseudotsuga taxifolia),the white fir (Abies grandis), the t
RMPFX4R0–. The cultivated evergreens; a handbook of the coniferous and most important broad-leaved evergreens planted for ornament in the United States and Canada. Evergreens; Conifers. .V-»«i'&c;«r--./. PiATE XXIX. Thrifty young specimen of Douglas fir {Pseudotsuga taxifolia). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan company; London, Macmillan & co. , l
RMT1H7HB–The distribution of important forest The distribution of important forest trees of the United States distributionofim287munn Year: 1938 42 PSEUDOTSUGA TAXIFOLIA (LAMBERT) BRITTON Map 38 DOUGLAS FIR
RMA2RMMH–Douglas Fir Trees (Pseudotsuga menziesii) grow in Cathedral Grove - an Old Growth Temperate Rainforest, British Columbia, Canada
RM2AJC1K3–The guardians of the Columbia, Mount Hood, Mount Adams and Mount St Helens . y man or hillsides strip-ped by fire. Here, in the land of warm seawinds and abundant moisture,the famousDouglas fir (Pseudotsuga taxifolia), Pacificred cedar {Thuja plicata) and tidelandspruce (Picea sitchensis) attain their great-est development. These are the monarchsof the matchless Northwestern forests, towhich the markets of the world are look-ing more and more as the lines of exhaustedsupply draw closer. Douglas fir recalls by its name oneof the heroes of science, David Douglas, aScotch naturalist who explored
RMPFDP0X–. Department bulletin. Agriculture; Agriculture. Bui. 1131, U. S. Oept. of Agriculture. Plate I A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A .—Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (xl35.) B — Transverse section through frost ring in Pseudotsugataxifolia, showing the crumpling of the wood cells that were but slightly u'gnined at the time of freezing. (X135.) C—Transverse section through frost ring in Larix Occident alia sapling (tree .No. 1), at .146 centimeters above the ground, show
RMMA8FJT–. Ecological investigations upon the germination and early growth of forest trees . FiG. I. The germination curves of Pseudotsuga taxifolia.
RMRYH3XA–Ecological investigations upon the germination and early growth of forest trees ecologicalinves00boer Year: 1916 FiG. I. The germination curves of Pseudotsuga taxifolia. Fic. 2. Tiie germination curves of Pinus pondcrosa. I
RMA35Y22–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Vancouver Island, British Columbia, Canada
RMRE0R63–. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). Gcniiiiiatioii of Forest Trees 79 The Effect of Climatic Varieties upon Germixatiox. FiG. I. The germination curves of Pseudotsuga taxifolia.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Boerker, Richard Hans Douai, 1887-. Lincoln, Neb
RMRYKNP8–Ecological investigations upon the germination and early growth of forest trees ecologicalinves00boer Year: 1916 Gcniiiiiatioii of Forest Trees 79 The Effect of Climatic Varieties upon Germixatiox FiG. I. The germination curves of Pseudotsuga taxifolia.
RMA35Y17–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Vancouver Island, British Columbia, Canada
RMRG1CJ0–. The Canadian field-naturalist. 1964 Porsild: William Copeland McCalla 133. Figure 2. Douglas Fir (Pseudotsuga taxifolia) on steep bank above Bow River Falls, Banff, Alberta.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
RMT1H4A4–Diseases of flowers and other Diseases of flowers and other ornamentals diseasesofflower118smit Year: 1940 Diseases of Flowers and Other Ornamentals 25 ling plantings. These may be propagated by root sprouts. Some mil- dew-resistant, strains are advertised in garden magazines or may be developed by selection. There seems to be a tendency in delphiniums for plants resistant to mildew to be susceptible to bacterial leaf spot. Dust- ing the leaves with dry, powdered sulfur is of value in preventing mil- dew. DOUGLAS FIR, PSEUDOTSUGA TAXIFOLIA Bacterial Gall Disease.—Roundish, rough-barked swell
RMA35Y19–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Vancouver Island, British Columbia, Canada
RMREAAKC–. Cone-bearing trees of the California mountains. Conifers; Trees. D () U G L A S - S P R U C E Pseudotsuga taxifolia. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Chase, J. Smeaton (Joseph Smeaton), b. 1864. Chicago, A. C. McClurg & Co.
RMRYGB8X–Ecological investigations upon the germination and early growth of forest trees ecologicalinvest00boeruoft Year: 1916 Germination of Forest Trees 53 The Effect of Soil Texture upon Germination ..^ t ^ i il r5t£ 1 H4^ 1 M j u ^H:-fE in ^^'^ .^.„ ^=f^ hhIshh ^ HE .^ i $^=: :.LL,i; -^=F= rtit;r fH-:^E^ EE -h; EEfrf? 3E=E^ p; ♦r^fr^ 'H— :|gH EH?-= zirt^rrr: ^^-? Z7^^ EE r,=tnr: -^. :;:; S :i ^:,|.::: — ^- ^PP -i=J= Ep- -sp i i ^^ #1 ^i^2 i i N ^ ^-^:— ^^ -iSE PHS ES ^^H^ ^^T^ ^iE-EE-Eg; Fig. I. The germination curves of Pseudotsuga taxifolia (N. M.). Fig. 2. The germination curves of Pin
RMAKHC63–Douglas Fir Trees (Pseudotsuga menziesii) grow in Cathedral Grove - an Old Growth Temperate Rainforest, British Columbia, Canada
RMRE38M8–. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). 82 Richard II. Boerker the difference in both cases is greater for the variety that comes from the drier climate, that is, the South Dakota variety of Pinus ponderosa shows a greater difference than the Idaho variety and the New Mexico variety of Pseudotsuga taxifolia shows a greater difference than the Colorado. The data here presented upon this phase of the problem, however, are not sufficient to warrant conclusions. GENERAL SUMMARY AND CONCLUSIONS I. The Effect of Habitat
RMAKHC5A–Douglas Fir Trees (Pseudotsuga menziesii) grow in Cathedral Grove - an Old Growth Temperate Rainforest, British Columbia, Canada
RMRGC7AN–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Fig. 1.—Razoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural &ize.. Fig. 2.—Razoumofskya campylopoda on Pinus ponderosa. The staminate and pistillate plants are growing close together on the same branch, a very common condition for all species, but not generally known.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the ori
RMA35Y15–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Vancouver Island, British Columbia, Canada
RMRD6T9A–. The cultivated evergreens; a handbook of the coniferous and most important broad-leaved evergreens planted for ornament in the United States and Canada. Evergreens; Conifers. .V-»«i'&c;«r--./. PiATE XXIX. Thrifty young specimen of Douglas fir {Pseudotsuga taxifolia). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan company; London, Macmillan & co. , l
RMA35Y21–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Vancouver Island, British Columbia, Canada
![. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. â A'^' ^Sjf^ ,1' i /i LAI -J. Fig. 1.âRazoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural &ize.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O. Stock Photo](https://c8.alamy.com/comp/RGC7B1/bulletin-of-the-us-department-of-agriculture-agriculture-agriculture-a-sjf-1-i-i-lai-j-fig-1razoumofskya-douqlasii-on-pseudotsuga-taxifolia-staminate-plants-slightly-less-than-natural-ampize-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-united-states-dept-of-agriculture-washington-d-c-the-dept-supt-of-docs-g-p-o-RGC7B1.jpg ". Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. â A'^' ^Sjf^ ,1' i /i LAI -J. Fig. 1.âRazoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural &ize.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O. Stock Photo")
RMRGC7B1–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. â A'^' ^Sjf^ ,1' i /i LAI -J. Fig. 1.âRazoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural &ize.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
RMA35Y1A–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Vancouver Island, British Columbia, Canada
RMRG0WDW–. Canadian forest industries 1907. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. â 6 CANADA LUMBERMAN AND WOODWORKER DOUGLAS FIR. The Douglas fir of the Pacific coast is also known commercially as yellow fir, red fir, Oregon pine and Douglas spruce. The name Douglas fir is, however, gradually becoming established. A species, Pseudotsuga taxifolia, furnishes the timber. Its range extends from lower Cali- fornia to central British Columbia, and from the Pacific Ocean to the Roekey Mountains. This timber reaches its best development in Canada in Brit
RMA35Y16–Douglas Fir Trees (Pseudotsuga menziesii) grow in Temperate Rainforest on West Coast, Vancouver Island, British Columbia, Canada
![. The Canadian field-naturalist. May, 1925] The Canadian Field-Naturalist 99. Figure 5.—FASCIATION IN SUBSTITUTE BRANCH-LEADER AND IN PROSTRATED PRIMARY AXIS OF FIRS. Initiation of the substitution of a lateral branch for the primary axis in the matter of vertical lead. The primary stem has been destroyed and one of the lateral branches below the point of injury has become vertical in lieu of the lost leader. Douglas fir {Pseudotsuga taxifolia, [Poir.] Britt.). Locality, Victoria, B.C. graft. The remains of the dead branches show- how the rings of annual girth increment of the stem had encroac Stock Photo](https://c8.alamy.com/comp/RG1EC8/the-canadian-field-naturalist-may-1925-the-canadian-field-naturalist-99-figure-5fasciation-in-substitute-branch-leader-and-in-prostrated-primary-axis-of-firs-initiation-of-the-substitution-of-a-lateral-branch-for-the-primary-axis-in-the-matter-of-vertical-lead-the-primary-stem-has-been-destroyed-and-one-of-the-lateral-branches-below-the-point-of-injury-has-become-vertical-in-lieu-of-the-lost-leader-douglas-fir-pseudotsuga-taxifolia-poir-britt-locality-victoria-bc-graft-the-remains-of-the-dead-branches-show-how-the-rings-of-annual-girth-increment-of-the-stem-had-encroac-RG1EC8.jpg ". The Canadian field-naturalist. May, 1925] The Canadian Field-Naturalist 99. Figure 5.—FASCIATION IN SUBSTITUTE BRANCH-LEADER AND IN PROSTRATED PRIMARY AXIS OF FIRS. Initiation of the substitution of a lateral branch for the primary axis in the matter of vertical lead. The primary stem has been destroyed and one of the lateral branches below the point of injury has become vertical in lieu of the lost leader. Douglas fir {Pseudotsuga taxifolia, [Poir.] Britt.). Locality, Victoria, B.C. graft. The remains of the dead branches show- how the rings of annual girth increment of the stem had encroac Stock Photo")
RMRG1EC8–. The Canadian field-naturalist. May, 1925] The Canadian Field-Naturalist 99. Figure 5.—FASCIATION IN SUBSTITUTE BRANCH-LEADER AND IN PROSTRATED PRIMARY AXIS OF FIRS. Initiation of the substitution of a lateral branch for the primary axis in the matter of vertical lead. The primary stem has been destroyed and one of the lateral branches below the point of injury has become vertical in lieu of the lost leader. Douglas fir {Pseudotsuga taxifolia, [Poir.] Britt.). Locality, Victoria, B.C. graft. The remains of the dead branches show- how the rings of annual girth increment of the stem had encroac
RMAKHC61–Douglas Fir Trees (Pseudotsuga menziesii) grow in Old Growth Temperate Rainforest, Pacific West Coast, British Columbia, Canada
![. The Canadian field-naturalist. May, 1925] The Canadian Field-Naturalist 97. Figure 3.—COMPARISON OF GROWTH FORM BETWEEN CONIFERS OF FIR TYPE AND BROADLEAF TREES (ANGIOSPERMS). Normal growth-form of Grand fir (Abies grandis Lindley) left, and Douglas fir, (Pseudotsuga taxifolia, [Poir.] Britt.) right, viz: single vertical primary axis from which lateral branches radiate in dorsi-ventral symmetry. Normal growth-form of Garry oak, (Quercns Garryana Hooker) centre, viz: initial single vertical primary axis followed by continual bifurcation in which the identity of the initial axis is lost. leade Stock Photo](https://c8.alamy.com/comp/RG1EDJ/the-canadian-field-naturalist-may-1925-the-canadian-field-naturalist-97-figure-3comparison-of-growth-form-between-conifers-of-fir-type-and-broadleaf-trees-angiosperms-normal-growth-form-of-grand-fir-abies-grandis-lindley-left-and-douglas-fir-pseudotsuga-taxifolia-poir-britt-right-viz-single-vertical-primary-axis-from-which-lateral-branches-radiate-in-dorsi-ventral-symmetry-normal-growth-form-of-garry-oak-quercns-garryana-hooker-centre-viz-initial-single-vertical-primary-axis-followed-by-continual-bifurcation-in-which-the-identity-of-the-initial-axis-is-lost-leade-RG1EDJ.jpg ". The Canadian field-naturalist. May, 1925] The Canadian Field-Naturalist 97. Figure 3.—COMPARISON OF GROWTH FORM BETWEEN CONIFERS OF FIR TYPE AND BROADLEAF TREES (ANGIOSPERMS). Normal growth-form of Grand fir (Abies grandis Lindley) left, and Douglas fir, (Pseudotsuga taxifolia, [Poir.] Britt.) right, viz: single vertical primary axis from which lateral branches radiate in dorsi-ventral symmetry. Normal growth-form of Garry oak, (Quercns Garryana Hooker) centre, viz: initial single vertical primary axis followed by continual bifurcation in which the identity of the initial axis is lost. leade Stock Photo")
RMRG1EDJ–. The Canadian field-naturalist. May, 1925] The Canadian Field-Naturalist 97. Figure 3.—COMPARISON OF GROWTH FORM BETWEEN CONIFERS OF FIR TYPE AND BROADLEAF TREES (ANGIOSPERMS). Normal growth-form of Grand fir (Abies grandis Lindley) left, and Douglas fir, (Pseudotsuga taxifolia, [Poir.] Britt.) right, viz: single vertical primary axis from which lateral branches radiate in dorsi-ventral symmetry. Normal growth-form of Garry oak, (Quercns Garryana Hooker) centre, viz: initial single vertical primary axis followed by continual bifurcation in which the identity of the initial axis is lost. leade
RMANCM37–Douglas Fir Trees (Pseudotsuga menziesii) growing in a Temperate Rainforest on Texada Island British Columbia Canada
RMRE2JGH–. Introduction to botany. Botany. Fig. 227. A group of gymiiosperm cones, of which all except B are seed cones A, spruce {Picea excelsa), one half natural size; B, spruce, branch and staminate cones almost natural size; C, Douglas fir, or Douglas spruce (Pseudotsuga taxifolia), one fourth natural size; D, arbor vitse {Thuja occidentalis), almost natural size 293. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bergen, Josep
RMAKHC59–Douglas Fir Tree (Pseudotsuga menziesii) grows in Old Growth Temperate Rainforest, Pacific West Coast, British Columbia, Canada
RMRGCH60–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Fig. 1 .—Penetrations in Alpine Fir (Abies lasiocarpa) Heartwood. 1, piece No. 308, treated 30 minutes; 2, piece No. 307, treated 60 minutes; 3, piece No. 309, treated 120 minutes. This species contained no resin ducts or cells and is almost impenetrable.. Fig. 2.—Douglas Fir (Pseudotsuga taxifolia) Treated in Penetrance Apparatus. The piece to the left is sapwood; that to the right is heartwood. The spots on the sapwood piece are treated resin ducts outside of the range of ordinary penetration. They show that the creo
RMA2RMMW–Douglas Fir Trees (Pseudotsuga menziesii) growing in a Temperate Rainforest on Texada Island British Columbia Canada
RMRGCARD–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. ^J^-'^fsj-u 1 BULLETIN No. 255 Contribution from the Bureau of Entomology L. O. HOWARD, Chief. jr&?'<&j-< Washington, D. C. PROFESSIONAL PAPER July 22, 1915. DOUGLAS FIR PITCH MOTH. By Josef Brunner, Entomological Assistant, Forest Insect Investigations. NATURE AND CAUSE OF DAMAGE. Pitch seams, gum check, windshake, or whatever these defects may be termed locally, have ever been recognized as a serious depreciating- factor in the utilization of Douglas fir {Pseudotsuga taxifolia). These defects have here
RMA3ANRA–Giant Douglas Fir Tree (Pseudotsuga menziesii) growing in a Temperate Rainforest on Texada Island British Columbia Canada
![. The Canadian field-naturalist. 102 The Canadian Field-Naturalist [Vol. XXXIX. Figure 9.—ADVENTITIOUS SHOOTS, PRIMARY AND SECONDARY AXES, ETC. Left "B": adventitious shoot from cut stump of broad-leaf tree (Acer glabrum Torrey) Left "Cl": hole left in trunk by dead lateral branch of Douglas fir (Pseudotsuga taxifolia [Poir.] Britt. Centre: capped stump of Grand fir (A6ies 5randi.<! Lindley), showing adventitious shoots- Right: lateral branch of Douglas fir enveloped by wood of the main stem. Second specimen from right: adventitious shoot developed on prostrated primary Stock Photo](https://c8.alamy.com/comp/RG1E9D/the-canadian-field-naturalist-102-the-canadian-field-naturalist-vol-xxxix-figure-9adventitious-shoots-primary-and-secondary-axes-etc-left-quotbquot-adventitious-shoot-from-cut-stump-of-broad-leaf-tree-acer-glabrum-torrey-left-quotclquot-hole-left-in-trunk-by-dead-lateral-branch-of-douglas-fir-pseudotsuga-taxifolia-poir-britt-centre-capped-stump-of-grand-fir-a6ies-5randilt!-lindley-showing-adventitious-shoots-right-lateral-branch-of-douglas-fir-enveloped-by-wood-of-the-main-stem-second-specimen-from-right-adventitious-shoot-developed-on-prostrated-primary-RG1E9D.jpg ". The Canadian field-naturalist. 102 The Canadian Field-Naturalist [Vol. XXXIX. Figure 9.—ADVENTITIOUS SHOOTS, PRIMARY AND SECONDARY AXES, ETC. Left "B": adventitious shoot from cut stump of broad-leaf tree (Acer glabrum Torrey) Left "Cl": hole left in trunk by dead lateral branch of Douglas fir (Pseudotsuga taxifolia [Poir.] Britt. Centre: capped stump of Grand fir (A6ies 5randi.<! Lindley), showing adventitious shoots- Right: lateral branch of Douglas fir enveloped by wood of the main stem. Second specimen from right: adventitious shoot developed on prostrated primary Stock Photo")
RMRG1E9D–. The Canadian field-naturalist. 102 The Canadian Field-Naturalist [Vol. XXXIX. Figure 9.—ADVENTITIOUS SHOOTS, PRIMARY AND SECONDARY AXES, ETC. Left "B": adventitious shoot from cut stump of broad-leaf tree (Acer glabrum Torrey) Left "Cl": hole left in trunk by dead lateral branch of Douglas fir (Pseudotsuga taxifolia [Poir.] Britt. Centre: capped stump of Grand fir (A6ies 5randi.<! Lindley), showing adventitious shoots- Right: lateral branch of Douglas fir enveloped by wood of the main stem. Second specimen from right: adventitious shoot developed on prostrated primary
RMBC89PA–Giant Douglas Fir Tree (Pseudotsuga menziesii) growing in a Temperate Rainforest on Texada Island British Columbia Canada
![. Bulletin - United States National Museum. Science. 420 U. S. NATIONAL MUSEUM BULLETIN 216. Figures 185, 186. -Localities: 185 (left), Megarhyssa nortoni nortoni; 186 (right), M. n. quebecensis. Field Brook, Calif.; September 1 at Sugar Lake, B. C; September 4 at Kelly, Calif.; September 7 at Glen Alpine Creek, Lake Tahoe, Calif.; September 16 on Gabriola Island, B. C; and "Sept." at Maple Bay, B. C. We have found the species often common in forests of Pseudotsuga taxifolia, on or around logs or stumps of this tree. There are many records of rearings from wood or occurrence of speci Stock Photo](https://c8.alamy.com/comp/RG7277/bulletin-united-states-national-museum-science-420-u-s-national-museum-bulletin-216-figures-185-186-localities-185-left-megarhyssa-nortoni-nortoni-186-right-m-n-quebecensis-field-brook-calif-september-1-at-sugar-lake-b-c-september-4-at-kelly-calif-september-7-at-glen-alpine-creek-lake-tahoe-calif-september-16-on-gabriola-island-b-c-and-quotseptquot-at-maple-bay-b-c-we-have-found-the-species-often-common-in-forests-of-pseudotsuga-taxifolia-on-or-around-logs-or-stumps-of-this-tree-there-are-many-records-of-rearings-from-wood-or-occurrence-of-speci-RG7277.jpg ". Bulletin - United States National Museum. Science. 420 U. S. NATIONAL MUSEUM BULLETIN 216. Figures 185, 186. -Localities: 185 (left), Megarhyssa nortoni nortoni; 186 (right), M. n. quebecensis. Field Brook, Calif.; September 1 at Sugar Lake, B. C; September 4 at Kelly, Calif.; September 7 at Glen Alpine Creek, Lake Tahoe, Calif.; September 16 on Gabriola Island, B. C; and "Sept." at Maple Bay, B. C. We have found the species often common in forests of Pseudotsuga taxifolia, on or around logs or stumps of this tree. There are many records of rearings from wood or occurrence of speci Stock Photo")
RMRG7277–. Bulletin - United States National Museum. Science. 420 U. S. NATIONAL MUSEUM BULLETIN 216. Figures 185, 186. -Localities: 185 (left), Megarhyssa nortoni nortoni; 186 (right), M. n. quebecensis. Field Brook, Calif.; September 1 at Sugar Lake, B. C; September 4 at Kelly, Calif.; September 7 at Glen Alpine Creek, Lake Tahoe, Calif.; September 16 on Gabriola Island, B. C; and "Sept." at Maple Bay, B. C. We have found the species often common in forests of Pseudotsuga taxifolia, on or around logs or stumps of this tree. There are many records of rearings from wood or occurrence of speci
RMAWTE37–Giant Douglas Fir Tree (Pseudotsuga menziesii) growing in a Temperate Rainforest on Texada Island British Columbia Canada
RMRG71XE–. Bulletin - United States National Museum. Science. ICHNEUMON-FLIES, PART 2 : ACAENITLNAE 549 cene, Red Mt., Round Pass on Mount Rainier, Skyline Ridge on Mount Baker, White River on Mount Rainier, and Yelm). Collection dates are nearly all from June 1 to August 10. Those outside of this range are: May 26 and 31 at Robson, B. C; August 11 at Courtenay, B. C; August 18 at Ashford, Wash.; and October 5 at Lake Keechelus, Wash. We have found the species rather common in Douglas fir forests of the Transition zone, flying about or alighting on the Douglas fir {Pseudotsuga taxifolia) logs and stump
RMA2RMMP–Hiker walking on Forest Path through Douglas Fir Trees (Pseudotsuga menziesii) growing on Texada Island British Columbia Canada
![. [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. Bui. 1131, U. $. Dept. of Agriculture. Plate A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A —Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (X135.) B .—Transverse section through frost ring in Pseudotsuga taxijolia, showing the crumpling of the wood cells that were but slightly lignified at the time of freezing (x 135.) C—Transverse section through frost ring in J.arix occidentalis sap Stock Photo](https://c8.alamy.com/comp/RG89RF/bulletins-on-forest-pathology-from-bulletin-usda-washington-dc-1913-1925-trees-plant-diseases-bui-1131-u-dept-of-agriculture-plate-a-frost-injury-to-thuja-plicata-pseudotsuga-taxifolia-and-larix-occidentalis-a-transverse-section-through-frost-ring-in-thuja-plicata-showing-a-pronounced-distortion-of-the-medullary-rays-x135-b-transverse-section-through-frost-ring-in-pseudotsuga-taxijolia-showing-the-crumpling-of-the-wood-cells-that-were-but-slightly-lignified-at-the-time-of-freezing-x-135-ctransverse-section-through-frost-ring-in-jarix-occidentalis-sap-RG89RF.jpg ". [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. Bui. 1131, U. $. Dept. of Agriculture. Plate A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A —Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (X135.) B .—Transverse section through frost ring in Pseudotsuga taxijolia, showing the crumpling of the wood cells that were but slightly lignified at the time of freezing (x 135.) C—Transverse section through frost ring in J.arix occidentalis sap Stock Photo")
RMRG89RF–. [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. Bui. 1131, U. $. Dept. of Agriculture. Plate A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A —Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (X135.) B .—Transverse section through frost ring in Pseudotsuga taxijolia, showing the crumpling of the wood cells that were but slightly lignified at the time of freezing (x 135.) C—Transverse section through frost ring in J.arix occidentalis sap
RMANCM34–Douglas Fir Trees (Pseudotsuga menziesii) growing in a Temperate Rainforest on Texada Island, British Columbia, Canada
![. The Biology of Fomes Pinicola (SW.) Cooke.. Trees. Coniferous Hosts—Concluded Host 37. Pinus Lambertiana. 38. " Mayriana. 39. " monophylla. 40. " monticola. 41. " palustris. 42. " pinaster. 43. " ponderosa. 44. 45. 46. 47. 48. rigida. Sabiniana. strobiformis. Strobus. sylvestris. 49. 50. 51. " virginiana 52. Pseudotsuga taxifolia. 53. Tsuga canadensis. 54. " heterophylla. M « 55. " Mertensiana. Locality. " Wisconsin, Canada, Ontario United I « u Canada, United £ « Canada, United I <ck uu Weir Oudemans Hedgcock, Weir von Schrenk Hedgcock Fa Stock Photo](https://c8.alamy.com/comp/RHK99J/the-biology-of-fomes-pinicola-sw-cooke-trees-coniferous-hostsconcluded-host-37-pinus-lambertiana-38-quot-mayriana-39-quot-monophylla-40-quot-monticola-41-quot-palustris-42-quot-pinaster-43-quot-ponderosa-44-45-46-47-48-rigida-sabiniana-strobiformis-strobus-sylvestris-49-50-51-quot-virginiana-52-pseudotsuga-taxifolia-53-tsuga-canadensis-54-quot-heterophylla-m-55-quot-mertensiana-locality-quot-wisconsin-canada-ontario-united-i-u-canada-united-canada-united-i-ltck-uu-weir-oudemans-hedgcock-weir-von-schrenk-hedgcock-fa-RHK99J.jpg ". The Biology of Fomes Pinicola (SW.) Cooke.. Trees. Coniferous Hosts—Concluded Host 37. Pinus Lambertiana. 38. " Mayriana. 39. " monophylla. 40. " monticola. 41. " palustris. 42. " pinaster. 43. " ponderosa. 44. 45. 46. 47. 48. rigida. Sabiniana. strobiformis. Strobus. sylvestris. 49. 50. 51. " virginiana 52. Pseudotsuga taxifolia. 53. Tsuga canadensis. 54. " heterophylla. M « 55. " Mertensiana. Locality. " Wisconsin, Canada, Ontario United I « u Canada, United £ « Canada, United I <ck uu Weir Oudemans Hedgcock, Weir von Schrenk Hedgcock Fa Stock Photo")
RMRHK99J–. The Biology of Fomes Pinicola (SW.) Cooke.. Trees. Coniferous Hosts—Concluded Host 37. Pinus Lambertiana. 38. " Mayriana. 39. " monophylla. 40. " monticola. 41. " palustris. 42. " pinaster. 43. " ponderosa. 44. 45. 46. 47. 48. rigida. Sabiniana. strobiformis. Strobus. sylvestris. 49. 50. 51. " virginiana 52. Pseudotsuga taxifolia. 53. Tsuga canadensis. 54. " heterophylla. M « 55. " Mertensiana. Locality. " Wisconsin, Canada, Ontario United I « u Canada, United £ « Canada, United I <ck uu Weir Oudemans Hedgcock, Weir von Schrenk Hedgcock Fa
RMAWTE31–Hiker at Giant Douglas Fir Tree (Pseudotsuga menziesii) growing in Temperate Rainforest on Texada Island British Columbia Canada
![. [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. Bui. 360, U. S. Dept. of Apiculture. Plate II. ?^Â¥ w mg^yg y$Ai â '*^3^n $r jn r H f5jH- |8| JBH^n Fig. 1.âRazoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural size.. Fig. 2.âRazoumofskya campylopoda on Pinus ponderosa. The staminate and pistillate plants are growing close together on the same branch, a very- common condition lor all species, but not generally known.. Please note that these images are extracted from scanned page images that m Stock Photo](https://c8.alamy.com/comp/RG8YMY/bulletins-on-forest-pathology-from-bulletin-usda-washington-dc-1913-1925-trees-plant-diseases-bui-360-u-s-dept-of-apiculture-plate-ii-w-mgyg-yai-3n-r-jn-r-h-f5jh-8-jbhn-fig-1razoumofskya-douqlasii-on-pseudotsuga-taxifolia-staminate-plants-slightly-less-than-natural-size-fig-2razoumofskya-campylopoda-on-pinus-ponderosa-the-staminate-and-pistillate-plants-are-growing-close-together-on-the-same-branch-a-very-common-condition-lor-all-species-but-not-generally-known-please-note-that-these-images-are-extracted-from-scanned-page-images-that-m-RG8YMY.jpg ". [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. Bui. 360, U. S. Dept. of Apiculture. Plate II. ?^Â¥ w mg^yg y$Ai â '*^3^n $r jn r H f5jH- |8| JBH^n Fig. 1.âRazoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural size.. Fig. 2.âRazoumofskya campylopoda on Pinus ponderosa. The staminate and pistillate plants are growing close together on the same branch, a very- common condition lor all species, but not generally known.. Please note that these images are extracted from scanned page images that m Stock Photo")
RMRG8YMY–. [Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925]. Trees; Plant diseases. Bui. 360, U. S. Dept. of Apiculture. Plate II. ?^Â¥ w mg^yg y$Ai â '*^3^n $r jn r H f5jH- |8| JBH^n Fig. 1.âRazoumofskya douqlasii on Pseudotsuga taxifolia. Staminate plants, slightly less than natural size.. Fig. 2.âRazoumofskya campylopoda on Pinus ponderosa. The staminate and pistillate plants are growing close together on the same branch, a very- common condition lor all species, but not generally known.. Please note that these images are extracted from scanned page images that m
RMA95H66–Pollen Cones, Flower / Seed Cone, and Needles on a Douglas Fir Tree (Pseudotsuga menziesii), British Columbia, Canada
![. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). Germination of Forest Trees 53 The Effect of Soil Texture upon Germination ..^ t ^ i il r5t£ 1 H4^ 1 M j u ^H:-fE in ^^"^ .^.„ ^=f^ hhIshh ^ HE .^ i $^=: :.LL,i; -^=F= rtit;r fH-:^E^ EE -h; EEfrf? 3E=E^ p; ?r^fr^ "H— :|gH EH?-= zirt^rrr: ^^-? Z7^^ EE r,=tnr: -^. :;:; S :i ^:,|.::: — ^- ^PP -i=J= Ep- -sp i i ^^ #1 ^i^2 i i N ^ ^-^:— ^^ -iSE PHS ES ^^H^ ^^T^ ^iE-EE-Eg; Fig. I. The germination curves of Pseudotsuga taxifolia (N. M.).. Fig. 2. The germination curve Stock Photo](https://c8.alamy.com/comp/RE0R4R/ecological-investigations-upon-the-germination-and-early-growth-of-forest-trees-trees-germination-growth-plants-germination-of-forest-trees-53-the-effect-of-soil-texture-upon-germination-t-i-il-r5t-1-h4-1-m-j-u-h-fe-in-quot-=f-hhishh-he-i-=-lli-=f=-rtitr-fh-e-ee-h-eefrf-3e=e-p-rfr-quoth-gh-eh-=-zirtrrr-z7-ee-r=tnr-s-i-pp-i=j=-ep-sp-i-i-1-i2-i-i-n-ise-phs-es-h-t-ie-ee-eg-fig-i-the-germination-curves-of-pseudotsuga-taxifolia-n-m-fig-2-the-germination-curve-RE0R4R.jpg ". Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). Germination of Forest Trees 53 The Effect of Soil Texture upon Germination ..^ t ^ i il r5t£ 1 H4^ 1 M j u ^H:-fE in ^^"^ .^.„ ^=f^ hhIshh ^ HE .^ i $^=: :.LL,i; -^=F= rtit;r fH-:^E^ EE -h; EEfrf? 3E=E^ p; ?r^fr^ "H— :|gH EH?-= zirt^rrr: ^^-? Z7^^ EE r,=tnr: -^. :;:; S :i ^:,|.::: — ^- ^PP -i=J= Ep- -sp i i ^^ #1 ^i^2 i i N ^ ^-^:— ^^ -iSE PHS ES ^^H^ ^^T^ ^iE-EE-Eg; Fig. I. The germination curves of Pseudotsuga taxifolia (N. M.).. Fig. 2. The germination curve Stock Photo")
RMRE0R4R–. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). Germination of Forest Trees 53 The Effect of Soil Texture upon Germination ..^ t ^ i il r5t£ 1 H4^ 1 M j u ^H:-fE in ^^"^ .^.„ ^=f^ hhIshh ^ HE .^ i $^=: :.LL,i; -^=F= rtit;r fH-:^E^ EE -h; EEfrf? 3E=E^ p; ?r^fr^ "H— :|gH EH?-= zirt^rrr: ^^-? Z7^^ EE r,=tnr: -^. :;:; S :i ^:,|.::: — ^- ^PP -i=J= Ep- -sp i i ^^ #1 ^i^2 i i N ^ ^-^:— ^^ -iSE PHS ES ^^H^ ^^T^ ^iE-EE-Eg; Fig. I. The germination curves of Pseudotsuga taxifolia (N. M.).. Fig. 2. The germination curve
RMANCK96–Pollen Cones, Flower / Seed Cone, and Needles on a Douglas Fir Tree (Pseudotsuga menziesii), British Columbia, Canada
RMRCCXAP–. The distribution of important forest trees of the United States. Forests and forestry; Trees. 42. PSEUDOTSUGA TAXIFOLIA (LAMBERT) BRITTON Map 38 DOUGLAS FIR. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Munns, E. N. (Edward Norfolk), 1889-1972. Washington, D. C. : U. S. Dept. of Agriculture
RMA35XE0–Pollen Cones, Flower / Seed Cone, and Needles on a Douglas Fir Tree (Pseudotsuga menziesii), British Columbia, Canada
RMRCDP7C–. Diseases of flowers and other ornamentals. Flowers; Plant diseases. Diseases of Flowers and Other Ornamentals 25 ling plantings. These may be propagated by root sprouts. Some mil- dew-resistant, strains are advertised in garden magazines or may be developed by selection. There seems to be a tendency in delphiniums for plants resistant to mildew to be susceptible to bacterial leaf spot. Dust- ing the leaves with dry, powdered sulfur is of value in preventing mil- dew. DOUGLAS FIR, PSEUDOTSUGA TAXIFOLIA Bacterial Gall Disease.—Roundish, rough-barked swellings or galls, from the size of a pinhe
RMAFKG9F–Hiker looking up Red Creek Douglas Fir (Pseudotsuga menziesii) near Port Renfrew, BC, Vancouver Island, British Columbia, Canada
RMRCYHGP–. Department bulletin. Agriculture; Agriculture. Bui. 1131, U. S. Oept. of Agriculture. Plate I A. Frost Injury to Thuja plicata, Pseudotsuga taxifolia, and Larix occidentalis. A .—Transverse section through frost ring in Thuja plicata, showing a pronounced distortion of the medullary rays. (xl35.) B — Transverse section through frost ring in Pseudotsugataxifolia, showing the crumpling of the wood cells that were but slightly u'gnined at the time of freezing. (X135.) C—Transverse section through frost ring in Larix Occident alia sapling (tree .No. 1), at .146 centimeters above the ground, show
RMAFKG9C–Hiker looking up Red Creek Douglas Fir (Pseudotsuga menziesii) near Port Renfrew, BC, Vancouver Island, British Columbia, Canada
RMRC8F80–. Embryogenesis in plants. Embryology. H Fig. 43. Comparative series of embryos of Pinaceae A, B, Pinus laricio {P. nigra). C, D, Cedrus libani. E, F, Tsuga mertensiana. G, H, Pseudolarix amabilis. J, K, Abies balsamea. L, M, N, Picea excelsa. O, P, Larix kaempferi. Q, Pseudotsuga taxifolia. 5, primary suspensor; fj, c^. embryonal tubes; r, rosette cells, which may give rise to rosette embryos, re (after Buchholz). most derivative type. And between Pinus and Pseudotsuga, genera with embryos showing various intermediate features are known. Fig. 43. This is the basis of the conception advanced b
RMAKHC66–Hiker looking up Red Creek Douglas Fir (Pseudotsuga menziesii) near Port Renfrew, BC, Vancouver Island, British Columbia, Canada
![. Annals of the Entomological Society of America. Entomology. 1913] North American Species of Megastigmus. 169 "B. Entirely yellow species, also variable; perhaps two species mixed. I, from Pseudotsuga douglassi [taxifolia] cf and 9 ; II, from Abies magnifica; III, from A. grandis; IV, from A. amabilis; V, from A. concolor. [M. spermatrophus WachtL] "C. Very small, dark species, very similar to small specimens of the European M. strohilobius. From Tsuga [niertensiana] hookeriana. 2 9 [M. tsiigce n. sp.] "D. Entirely black species from Japan. From Abies mariesi 2 9 . *[M. borries Stock Photo](https://c8.alamy.com/comp/RMPAPC/annals-of-the-entomological-society-of-america-entomology-1913-north-american-species-of-megastigmus-169-quotb-entirely-yellow-species-also-variable-perhaps-two-species-mixed-i-from-pseudotsuga-douglassi-taxifolia-cf-and-9-ii-from-abies-magnifica-iii-from-a-grandis-iv-from-a-amabilis-v-from-a-concolor-m-spermatrophus-wachtl-quotc-very-small-dark-species-very-similar-to-small-specimens-of-the-european-m-strohilobius-from-tsuga-niertensiana-hookeriana-2-9-m-tsiigce-n-sp-quotd-entirely-black-species-from-japan-from-abies-mariesi-2-9-m-borries-RMPAPC.jpg ". Annals of the Entomological Society of America. Entomology. 1913] North American Species of Megastigmus. 169 "B. Entirely yellow species, also variable; perhaps two species mixed. I, from Pseudotsuga douglassi [taxifolia] cf and 9 ; II, from Abies magnifica; III, from A. grandis; IV, from A. amabilis; V, from A. concolor. [M. spermatrophus WachtL] "C. Very small, dark species, very similar to small specimens of the European M. strohilobius. From Tsuga [niertensiana] hookeriana. 2 9 [M. tsiigce n. sp.] "D. Entirely black species from Japan. From Abies mariesi 2 9 . *[M. borries Stock Photo")
RMRMPAPC–. Annals of the Entomological Society of America. Entomology. 1913] North American Species of Megastigmus. 169 "B. Entirely yellow species, also variable; perhaps two species mixed. I, from Pseudotsuga douglassi [taxifolia] cf and 9 ; II, from Abies magnifica; III, from A. grandis; IV, from A. amabilis; V, from A. concolor. [M. spermatrophus WachtL] "C. Very small, dark species, very similar to small specimens of the European M. strohilobius. From Tsuga [niertensiana] hookeriana. 2 9 [M. tsiigce n. sp.] "D. Entirely black species from Japan. From Abies mariesi 2 9 . *[M. borries
RMA35Y00–Pacific West Coast Temperate Rainforest with Douglas Fir and Western Hemlock on Vancouver Island British Columbia Canada
RMRCGCXP–. Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches. Botany, Economic. Sechzehnter Abschnitt. Hölzer. 481 der Verfasser bestätigen kann^ von dem der gemeinen Lärche nicht ver- schieden 1). 5. Das Holz der Douglastanne. Die Douglastanne, »Red Fir«, »Oregon Pine«, Pseudotsuga Douglasii Carr. (P. taxifolia Britton), ist im westlichen Nordamerika von der pazi- fischen Küste bis ins Felsengebirge verbreitet, wird auch in Europa forstlich angebaut.. Fig. Hi. Querschnittsansiclit aus dem Holze der Douglastanne (Pseudotsuga Douglasii), 3Ü0/1. Bei GG die hi
RMA2P4WN–Douglas Fir Trees in a Temperate Rainforest in Cathedral Grove on Vancouver Island in British Columbia Canada
RMRE0R62–. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). FiG. I. The germination curves of Pseudotsuga taxifolia.. Fic. 2. Tiie germination curves of Pinus pondcrosa. I. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Boerker, Richard Hans Douai, 1887-. Lincoln, Neb
RMB27M9J–Cathedral Grove - Old Growth Temperate Rainforest in MacMillan Provincial Park, Vancouver Island, BC, British Columbia, Canada
RMB27M8B–Cathedral Grove - Old Growth Temperate Rainforest in MacMillan Provincial Park, Vancouver Island, BC, British Columbia, Canada
RMB27MHW–Cathedral Grove - Old Growth Temperate Rainforest in MacMillan Provincial Park, Vancouver Island, BC, British Columbia, Canada
RMB27MBC–Cathedral Grove - Old Growth Temperate Rainforest in MacMillan Provincial Park, Vancouver Island, BC, British Columbia, Canada
Search Results for Pseudotsuga taxifolia Stock Photos and Images (94)
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