. Trees of Texas; an illustrated manual of the native and introduced trees of the state . 83 84 Bulletin of the University of Texas 23. Quercus nigra L. Water Oak. A round topped foresttree sometimes 80° high with slender branches, smooth, lightbrown bark and reddish twigs. Leaves oblong some of them. Fig. 20. Quercus nigra. three or more lobed toward the apex and linear-obovate,2%-6 long, l%-2% wide, dull green above, paler below,petioh>s short. Fruit solitary or in pairs, sessile or shortstalked; acorn ovoid l/2-2/3 long and almost as wide, en-closed at the base in a thin saucer-shaped cu


. Trees of Texas; an illustrated manual of the native and introduced trees of the state . 83 84 Bulletin of the University of Texas 23. Quercus nigra L. Water Oak. A round topped foresttree sometimes 80° high with slender branches, smooth, lightbrown bark and reddish twigs. Leaves oblong some of them. Fig. 20. Quercus nigra. three or more lobed toward the apex and linear-obovate,2%-6 long, l%-2% wide, dull green above, paler below,petioh>s short. Fruit solitary or in pairs, sessile or shortstalked; acorn ovoid l/2-2/3 long and almost as wide, en-closed at the base in a thin saucer-shaped cup, often striate. The Trees of Texas 8;> Delaware, Florida, west to the Colorado River, wood is heavy, hard, close grained and strong. It isused for fuel. 24. Quercus Phellos L. Willow Oak. A forest tree 70^-80° high, with trunk diameter of 2^-4°. The branches aresmall and form a rather narrow, open rounded crown. Thebark is thin, ^^-% thick, light reddish brown, smooth onyoung branches, shallowly fissured on old trunks. Leaves


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