Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.Sargent, Charles Sprague
Science
Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.
Sargent, Charles Sprague
Trees -- North America
_Pinus divaricata_ Du Mont de Cours.
[Illustration: Fig. 28]
Leaves in remote clusters, stout, flat or slightly concave on the inner
face, at first light yellow-green, soon becoming dark green, ¾′—1¼′
long, gradually and irregularly deciduous in their second or third year.
Flowers: male in short crowded clusters, yellow; female clustered, dark
purple, often with 2 clusters produced on the same shoot. Fruit
oblong-conic, acute, oblique at base, sessile, usually erect and
strongly incurved, 1½′—2′ long, dull purple or green when fully grown,
becoming light yellow and lustrous, with thin stiff scales often
irregularly developed, and armed with minute incurved often deciduous
prickles; seeds nearly triangular, full and rounded on the sides, 1/12′
long, with an almost black roughened shell and wings broadest at the
middle, full and rounded at apex, ⅓′ long, ⅛′ wide.
A tree, frequently 70° high, with a straight trunk sometimes free of
branches for 20°—30° and rarely exceeding 2° in diameter, long spreading
branches forming an open symmetrical head, and slender tough flexible
pale yellow-green branchlets turning dark purple during their first
winter and darker the following year; often not more than 20°—30° tall,
with a stem 10′—12′ in diameter; generally fruiting when only a few
years old; sometimes shrubby with several low slender stems. Bark of the
trunk thin, dark brown slightly tinged with red, very irregularly
divided into narrow rounded connected ridges separating on the surface
into small thick closely appressed scales. Wood light, soft, not strong,
close-grained, clear pale brown or rarely orange color, with thick
nearly white sapwood; used for fuel and occasionally for railway-ties
and posts; occasionally manufactured into lumber.
Distribution. From Nova Scotia to the valley of the Athabasca River and
down the Mackenzie to about latitude 65° north, ranging southward to the
coast of Maine, northern New Hampshire and Vermont, the Island of
Nantucket (Wauwinet, _J. W. Harshburger_), northern New York, the shores
of Saginaw Bay, Michigan, the southern shores of Lake Michigan in
Illinois, the valley of the Wisconsin River, Wisconsin, and central and
southeastern Minnesota (with isolated groves in Root River valley, near
Rushford, Fillmore County); abundant in central Michigan, covering
tracts of barren lands; common and of large size in the region north of
Lake Superior; most abundant and of its greatest size west of Lake
Winnipeg and north of the Saskatchewan, here often spreading over great
areas of sandy sterile soil.
22. Pinus glabra Walt. Spruce Pine. Cedar Pine.
[Illustration: Fig. 29]
Public-domain text, read in full here on John Shaqi.
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