. 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. Pin Oak 283. Fig. 235 2. PIN OAK — Quercus palustris Du Roi This handsome tree occurs in wet river-bottom lands or on the borders of swamps in rich soil from Massachusetts to Michigan and Missouri, southward to Virginia, Tennessee, and Indian Territory. Its maximum height is about 40 meters, with a trunk diameter of m. It is also called Swamp Spanish oak. Water oak, and Water Spanish oak. The trunk is tall and straigh
. 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. Pin Oak 283. Fig. 235 2. PIN OAK — Quercus palustris Du Roi This handsome tree occurs in wet river-bottom lands or on the borders of swamps in rich soil from Massachusetts to Michigan and Missouri, southward to Virginia, Tennessee, and Indian Territory. Its maximum height is about 40 meters, with a trunk diameter of m. It is also called Swamp Spanish oak. Water oak, and Water Spanish oak. The trunk is tall and straight, its lower branches small, tough, and drooping, the others are mostly spreading and longer, forming, when not crowded, a symmetrical conic tree, which in old age becomes more round and irregular. The bark is about cm. thick, nearly smooth or cov- ered with small close scales of a dark gray color; on the branches it is smoother, light brown and shining, or often reddish. The twigs are slender, at first dark red and short whitish hairy, soon becoming smooth, green and shining, finally dark grayish brown. The winter buds are ovoid, 3 mm. long, sharp pointed, their scales light brown. The leaves are broadly oval to ovate or oblong in outline, 6 to 15 cm. long, their S to 9 lobes oblong, lanceolate or triangular, usually with long bristle- tipped teeth, the sinuses usually wide, deep, and rounded, the base wedge-shaped or broadly tapering; they are thin and firm, dark green and shining above, pale and smooth except for tufts of hairs in the axils of the prominent venation beneath, turning a beautiful scarlet in the autumn before falling. The leaf-stalk is 2 to 5 cm. long, slender, nearly round, and yellow. The flowers appear in May when the leaves are about one third unfolded; the staminate in slender, hairy catkins, 3 to 5 cm. long; tjiie calyx is minutely hairy, its 4 or 5 lobes oblong, obtuse; stamens 4 or 5, exserted, their anthers oblong, shghtly notched, smooth and yel
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