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
Sometimes planted in the northern states in the neighborhood of
farmhouses, but usually short-lived and of little value as an ornamental
tree in cultivation; formerly but now rarely cultivated in European
plantations; a dwarf form (var. _hudsonica_ Englm.) growing only a few
inches high and spreading into broad nests is often cultivated.
3. Abies lasiocarpa Nutt. Balsam Fir.
[Illustration: Fig. 54]
Leaves marked on the upper surface but generally only above the middle
with 4 or 5 rows of stomata on each side of the conspicuous midrib and
on the lower surface by 2 broad bands each of 7 or 8 rows, crowded,
nearly erect by the twist at their base, on lower branches 1′—1¾′ long,
about 1/12′ wide, and rounded and occasionally emarginate at apex, on
upper branches somewhat thickened, usually acute, generally not more
than ½′ long, on leading shoots flattened, closely appressed, with long
slender rigid points. Flowers: male dark indigo-blue, turning violet
when nearly ready to open; female with dark violet-purple obovate scales
much shorter than their strongly reflexed bracts contracted into slender
tips. Fruit oblong-cylindric, rounded, truncate or depressed at the
narrowed apex, dark purple, puberulous, 2½′—4′ long, with scales
gradually narrowed from the broad rounded or nearly truncate apex to the
base, usually longer than broad, about three times as long as their
oblong-obovate red-brown bracts laciniately cut on the margins, rounded,
emarginate and abruptly contracted at the apex into long slender tips;
seeds ¼′ long, with dark lustrous wings covering nearly the entire
surface of the scales.
A tree, usually 80°—100°, occasionally 175°, or southward rarely more
than 50° high, with a trunk 2°—5° in diameter, short crowded tough
branches, usually slightly pendulous near the base of the tree,
generally clothing the trunks of the oldest trees nearly to their base
and forming dense spire-like slender heads, and comparatively stout
branchlets coated for three or four years with fine rufous pubescence,
or rarely glabrous before the end of their first season, pale
orange-brown, ultimately gray or silvery white. Winter-buds subglobose,
⅛′—¼′ thick, covered with light orange-brown scales. Bark becoming on
old trees ¾′—1½′ thick, divided by shallow fissures and roughened by
thick closely appressed cinnamon-red scales; on the San Francisco
Mountains, Arizona, thicker and spongy (var. _arizonica_ Lem.). Wood
light, soft, not strong, pale brown or nearly white, with light-colored
sapwood; little used except for fuel.
Public-domain text, read in full here on John Shaqi.
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