500 FLORA OF TEXAS. 



Q. MACROCARPA, Michx. {Mossy-cvp Oah.) Leaves 

 thin, obovate-oblong, pubescont or pale beneath, acute at 

 the base, short-petioled, slightly or strongly few-many- 

 lobed ; the lobes rounded, entire or obtusely toothed ; fndt 

 large ; scales of the ciijy thick, the upper ones produced 

 into long awns; nut ovoid, included, or half inclosed in 

 the cup. Woods and river-banks. — A middle-sized tree ; 

 leaves 6-15' long; nut I'-H' long. 



Q. LYRATA, "Walt. (Over-cup Oak.) Leaves crowded at 

 the end of the branchlets, obovate-oblong, acute at the 

 base, 7-9-lobed, white-tomentose beneath, or at length 

 smoothish, shining above, the lobes triangular, acute, and 

 entire ; fruit sessile ; cup round-ovate, with rugged scales, 

 almost covering the roundish 7iut. Eiver-swamps. — A 

 large tree; leaves 5-8' long, short-petioled; fruit 1' long. 



** Leaves toothed. 



Q. Prinus, L. {Sivamp Chest nut- Oah.) Leaves ohlo^g 

 or obovate-oblong, obtuse, with rounded teeth, smooth and 

 shining above, pale and pubescent beneath, acute at the 

 base, short-petioled; fruit large, short-peduncled ; cnp 

 hemispherical, rugged with tubercular scales, inclosing the 

 base of the roundish or ohlong-ovate 7iut. Low grounds. — 

 A large tree ; nut about 1' long. 



Q. Castaxea, Willd. {Chestnut Oah.) Leaves oblong, 

 varying to lanceolate, acuminate, sharply toothed, with the 

 points incurved, mostly acute at the base, smooth above, 

 paler and minutely pubescent or glaucous beneath ; fruit 

 small, sessile or short-peduncled ; cup hemispherical, with 

 flat scales, inclosing one-third of the ohlong nut. Rocky 

 woods. — A large or middle-sized tree; leaves 3-6' long; 

 nut 7"-9" long. Eastern Texas. 



Q. PRixoiDES, Willd. {Chinquapin Oah.) Shrubby; 

 leaves lanceolate-oblong, acute at each end, acutely toothed, 

 smooth above, white tomentose beneath; frtdt small, 



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