. 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. Balsam Willow 199 persistent at the base of the stalk of the capsules; the 2 stamens of the staminate flowers have smooth filaments united toward the base; the ovary in the pistillate flowers is narrowly ovoid-conic, smooth, rather short-stalked, the very short style about as long as the stigmas. The fruiting catkins are about 5 cm. long, the smooth, narrowly ovoid capsules about 5 mm. long. The wood is soft and weak, lig
. 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. Balsam Willow 199 persistent at the base of the stalk of the capsules; the 2 stamens of the staminate flowers have smooth filaments united toward the base; the ovary in the pistillate flowers is narrowly ovoid-conic, smooth, rather short-stalked, the very short style about as long as the stigmas. The fruiting catkins are about 5 cm. long, the smooth, narrowly ovoid capsules about 5 mm. long. The wood is soft and weak, light brown, with a specific gravity of about , and is used for fuel and basketry. The tree is known also as Bigelow's willow and as Western yeUow willow. 20. BALSAM WILLOW — Salix balsamifera (Hooker) Barrett Salix cordata balsamifera Hooker. Salix pyrijolia Andersson The Balsam willow, so called from the balsamic odor of its foliage, is widely distributed as a shrub, usually not over 3 meters high, from Newfoundland to Manitoba, Athabasca, New York, and Min- nesota, reaching high altitudes in the moun- tains of New England, and has only been observed to become a tree in Maine, attaining there a height of about 8 meters, with a trunk up to 3 or 4 dm. in diameter. Its bark is described as gray and nearly smooth; the very young twigs are puberulent, soon becoming smooth, purplish or brown, and shining; the winter buds are flattened, pointed, smooth, shining red or purple, 4 to 6 mm. long. The thin leaves, which vary from ovate to elliptic or ovate-lanceolate, or some- times slightly obovate, are a little hairy when unfolding, soon becoming smooth on both sides, 5 to 10 cm. long, 2 to 4 cm. wide, pointed or some of them blunt at the apex, roimded or somewhat heart-shaped at the base, dark green on the upper side, pale and prominently netted-veined beneath, finely glandular-toothed; their slender stalks are 6 to 15 mm. long, finely hairy when young, becoming smooth and yel- low
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