The Trees of Texas 



i , 



mid summer, solitary almost sessile, acorn ovoid l/2'-2/3' long 

 about one-third enclosed in the turbinate cup. 



Mountains of New Mexico, Arizona, western Texas, and 

 northern Mexico. The wood is heavy, hard, close grained, 

 brown in color. 



17. Quercus rubra L. Red Oak. A large forest tree 70 

 to 80 in height and with trunk diameter of 2 to 4. Trees 

 growing in dense forests are tall and straight with a rather 

 narrow crown of few branches. Bark on young trees smooth 

 and light .s^ray, on old trunks regularly and coarsely fissured, 

 I'-l 1 /-?' thick, dark brown with a tinge of red. Leaves obo- 

 vate or oblong 5'-9' long, 4'-6' broad with 5-11 coarse toothed 

 bristle tipped lobes, usually divided about half way to the 

 midrib, lobes wedge-shaped tapering from the base, and mostly 

 witli three teeth at the apex. Thin and firm, hairy at first 

 becoming smooth, dark green and dull above, pale yellow 

 green below with occasional small tufts of rusty hairs in 

 the axils of the veins. Acorns solitary or in pairs maturing 

 in the autumn of the second season. Sessile or borne on short 

 stalks. The cup is shallow, saucer-shaped enclosing only the 

 base of the nut. Scales closely appressed, bright red brown 

 somewhat glossy. Nut ovoid, flat at the base % '-V long rounded 

 at the apex, gray or reddish brown, more or less pubescent. 



Nova Scotia and Minnesota, south to Florida and Texas. 



The wood is heavy, hard, close-grained, strong light reddish 

 brown. It is used for building material, finishing, car and 

 wagon stock. The red oak is also a very desirable tree for 

 ornamental planting. It thrives best in a moist rich soil where 

 it grows rapidly. 



18. Quercus Schneckii Britton. Schneck's Oak. A large 

 forest tree 150 high and 4-6 in diameter, but usually smaller. 

 The trunk is tall and straight with a butressed base. The 

 lower branches are drooping while the upper are widespread- 

 ing and form a wide, rounded open crown. Bark on young 

 bran dies smooth and gray, on old trunks dark brown with a 

 tinge of red, fissured, the ridges flat, furrows shallow. The 

 leaves are ovate to obovate 3'-7' long, wedge-shaped or trun- 

 cate at base with 5-9 lobes which extend more than half way 

 to the midrib; the lobes are wedge-shaped or oblong usually 



