. Bulletin (Pennsylvania Department of Forests and Waters), no. 33-35. Forests and forestry. 24. Figure 4 1. Bai^am Fib twig. 2. Douglas Fir twig. Spbuce twig 3. Norway 25 27. *Sitka Spruce,—Picea sitchensis, Carr. Foliage in general like white spruce, but needles are flat- tened, rather flexihU and lack the disagreeable odor; very sharp. Buds and twigs gray-brown with yellow cast. Cones 21/0"—i" long; scales papery-tipt and toothed. Na- tive from Alaska to California. 28. *Norway Spruce,—Picea Abies, (L.) Karst. Needles sharp, 4-angled, dark green. Twigs bright red-hrown with buds d
. Bulletin (Pennsylvania Department of Forests and Waters), no. 33-35. Forests and forestry. 24. Figure 4 1. Bai^am Fib twig. 2. Douglas Fir twig. Spbuce twig 3. Norway 25 27. *Sitka Spruce,—Picea sitchensis, Carr. Foliage in general like white spruce, but needles are flat- tened, rather flexihU and lack the disagreeable odor; very sharp. Buds and twigs gray-brown with yellow cast. Cones 21/0"—i" long; scales papery-tipt and toothed. Na- tive from Alaska to California. 28. *Norway Spruce,—Picea Abies, (L.) Karst. Needles sharp, 4-angled, dark green. Twigs bright red-hrown with buds darker; bud-scales re- flext on tips of vigorous shoots. Con<is 4"—7" long. Native to Europe. (Fig. 4) 29. *Douglas Fir,—Pseudotsuga taxifolia, Britt. Needles solitary, flat, round to acuminate at tips, grooved on top, stomatiferous beneath; mid-rib prominent; persist about 8 yrs.; blue-green to dark green. Twigs terete; resin-blisters on young bark. Buds very acute, red-hrown; scales imbricated Growth Vo-regular. Form very good. Pacific Coast and Rocky Mountain tree, native from British Columbia to northern Mexico. (Fig. 4) FIRS,—ABIES, (Tourn.) Hill. Needles flat in most species; solitary; attached hy a "frog'8-toe'*-like appendage, leaving a round scar and smooth twig when shed. , .^ , * ^«« Cones borne upright; fall apart at maturity leaving per- sistent axes. Resin-blisters prominent on smooth young bark. Growth %-regular. Form very good. 30. Balsam Fir,—Abies balsamea, (L.) Mill. Needles minutely notched at apex; apparently 2-rankt except on leaders; glossy dark green above, two clear white bands of stomata beneath; very fragrant. Buds blunt and buried in clear resin. ^ ^ . Twigs fine to medium in size but rather stiff; tend to be opposite on lateral branches, unless frosted which is rare in natural range. (Fig. 4). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforests, bookyear1923
