. Trees of Texas; an illustrated manual of the native and introduced trees of the state . s sessile or on very shortstalks; nut ovoid-oblong or oblong, light brown, enclosed forabout one-third its length in the hemispheric cup; scales ofthe cup ovate, blunt, forming a fringe around the rim of thecup. In dry rocky soils of southern and western Texas. The wood is close grained and hard. It is used for fuel. 21. Quercus digitata Sudw. Spanish Oak. A forest tree70°-80° high with trunk diameter of 2°-3°. The branches arestout, spreading, and form a loose open croAvn. The l)ark is%-! thick, dark bro
. Trees of Texas; an illustrated manual of the native and introduced trees of the state . s sessile or on very shortstalks; nut ovoid-oblong or oblong, light brown, enclosed forabout one-third its length in the hemispheric cup; scales ofthe cup ovate, blunt, forming a fringe around the rim of thecup. In dry rocky soils of southern and western Texas. The wood is close grained and hard. It is used for fuel. 21. Quercus digitata Sudw. Spanish Oak. A forest tree70°-80° high with trunk diameter of 2°-3°. The branches arestout, spreading, and form a loose open croAvn. The l)ark is%-! thick, dark brown, fissured, the furrows usually narrow,sometimes wide, ridges rather broad, broken into short plates;young shoots at first hairy greenish red or gray broAvn, siiiooth and dark <irav brown. Leavers olilong or The Trees of Texas 81 obovate; quite variable in outline, 3^-9 long; somewhat curved,wedge-shaped, rounded or truncate at the base, 3-11, usually5-9 lobed; the number of lobes more variable than in anyother of the oaks; the middle lobe is generally longer than. Fig, 17. Quercus digitata. any of the others, but the terminal lobe is frequently muchelongated and scythe-shaped. Acorns borne sessile or almostSO; nut subglobose, % long, more or less hairy, light brown,enclosed for about one-half its length in the cup-shaped cup;scales of cup thin, oblong, reddish and hairy. 6—Trees. 82 Bulletin of the University of Texas New Jersey to Missouri, Florida and Texas. In Texas itextends to the valley of the Brazos. Its uses are similar to Qnercus rubra. The tree is plantedfor ornament and shade, for which it is well adapted. 22. Quercus Marylandica Muenchaussen. Black Jack Jack. A forest tree 40^-50° high with trunk diameterof 18, but usually much smaller. The branches are short,stout, often contorted and form a compact rounded I-iy^ thick, black, very rough on mature trunks. Leavesbroadly obovate 6-7 long, 3-5 lobed, narrowly rounded or
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