. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. Heart-Leaved Paper Birch 251 red-brown, and, after several years' growth, bright white like the trunk. The buds are ovoid, pointed, about 7 mm. long, some- what hairy and resinous. The leaves are ovate, 3 to II cm. long, sharply irregularly toothed, rather firm in texture, hairy when young, and hairy in the axils of the veins beneath even when old, the upper surface dark green and dull, the under side light green; they ar
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. Heart-Leaved Paper Birch 251 red-brown, and, after several years' growth, bright white like the trunk. The buds are ovoid, pointed, about 7 mm. long, some- what hairy and resinous. The leaves are ovate, 3 to II cm. long, sharply irregularly toothed, rather firm in texture, hairy when young, and hairy in the axils of the veins beneath even when old, the upper surface dark green and dull, the under side light green; they are either rounded or narrowed at the base; the leaf-stalks are to 3 cm. long, the stipules ovate, pointed, and hairy-fringed. The flowers open with or before the leaves in April or May. The staminate cat- kins are borne 2 or 3 together and vary from 5 , ^x \ \ Vk I to 10 cm. long, their scales triangular-ovate and . v ^^^"^i^Vlxv ^ finely hairy. The ripe pistillate catkins are cylindric, 2 to 5 cm. long, with stalks i to 2 , . i /: 1 Fig. 206. — Paper Birch, cm. long; their scales are 4 to 6 mm. long, smooth or finely hairy, their lateral lobes shorter than or as long as the middle one; the oblong or oval nut is somewhat narrower than its wings. The wood is light brown, strong and tough, with a specific gravity of about ; it is largely used for spools, and also for shoe-pegs and paper-pulp; it was utihzed for a variety of purposes by the northern Indians, who also employed the bark extensively for canoes, baskets, and cups, and for sheathing wigwams. The tree is of rapid growth but does not yield readily to cultivation much to the south of its area of natural 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 Britton, Nathaniel Lord, 1859-1934; Shafer, John Adolph. New York : H.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkhholtandco
