. 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. Highland Oak 307 mm. across, yellow and hairy inside, thick and embracing about one third of the nut, covered by the thin, close brown white-hairj' scales. The wood is very hard and strong, close-grained and dark brown; its specific gravity is about The white under sides of the leaves make this oak a very interesting and conspicuous tree. 24. HIGHLAND OAK —Quercus Wislizeni A. de CandoUe A tree of the Coast Mountain
. 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. Highland Oak 307 mm. across, yellow and hairy inside, thick and embracing about one third of the nut, covered by the thin, close brown white-hairj' scales. The wood is very hard and strong, close-grained and dark brown; its specific gravity is about The white under sides of the leaves make this oak a very interesting and conspicuous tree. 24. HIGHLAND OAK —Quercus Wislizeni A. de CandoUe A tree of the Coast Mountains to the western slope of the Sierra Nevada extend- ing from northern Cahfomia southward into Lower California. Its maximum height is 24 meters, with a trunk diameter of m., but often shrubby, especially toward the southern part of its range, and forming most of the oak chaparral. It is also known as Live oak, Highland live oak, and Wislizenus' oak. The trunk is usually short. The branches are stout and spreading, the tree mostly round-topped. The bark is up to cm. thick, deeply fissured into wide rounded more or less confluent ridges, cov- ered with close dark brown or reddish brown scales; on younger stems it is much thinner, quite smooth and lighter in color. The twigs are slender, stiff, more or less hairy, becoming quite. Fig. 259. — Highland Oak. smooth, light reddish or grayish brown, finally dark brown. The winter buds are ovoid or oval, sharp-pointed, 3 to 6 mm. long, and dark brown. The leaves are oblong-lanceolate, lanceolate or oval, to 4 cm. long, sharp or rounded, usually bristle-tipped at the apex, rounded, subcordate or narrowed at the base, entire, or toothed with bristle-tipped teeth; they are thick and leathery, dark green, smooth and shining, with a strong yellowish midrib above, bright yellow-green beneath, persistent until the second season, when they fall off gradually; leaf-stalk slender, nearly round, more or less hairy, 3 to 18 mm. long
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