422 cupuLirEiL(K. (oak family.) 



— Dry gravelly or sandy soil, Florida to Mississippi, and northward. — A small 

 tree. Leaves 4'-9' luug. latermediatc forms between this and No. 7 arc not 

 nncommon. 



* * * Leaves long-petiokd, slnuate-pinnatlfid, hrislle-awned, deciduous. 

 •t- Leaves smooth or nearly so. 



7. Q. Catesbaei, Michx. (Turkey-Oak.) Leaves somewhat coriaccons, 

 broad, narrowed into a short ))etio]e, deeply pinnatifid ; tlie lobes very acute 

 from a broad base, spreading, mostly falcate and entire ; fruit rather large, short- 

 peduncled ; cup thick, turbinate, with broad obtuse scales, enclosing half of the 

 ovoid nut ; the upper scales inflcxcd and lining the inner edge of the cup. — 

 Diy pine barrens, Florida to North Carolina. — A small* tree. Leaves 6' -9' 

 long. 



8. Q. tinctoria, Bartr. (Black Oak.) Leaves obovate-oblong, with 

 deep or shallow open siimses, and about 6 sharply-toothed lobes, obtuse or trun- 

 cate at the base, pubescent when j'oung, at length only in the axils of the veins 

 beneath ; cup top-shaped, with broad scales, enclosing about half of the round- 

 ish depressed nut. (Q. discolor, .4/f.) —Dry woods, chiefly in the upper dis- 

 tricts, and northward. — A large tree, with the outer bark dark-brown, the inner 

 thick and yellow. Leaves turning light-brown after fi'ost. Nuts 6" - 8" long. 



9- Q. COCCinea, Wang. (Scarlet Oak.) Leaves long-pctioled, oval or 

 oblong, with deep and broad sinuses, and 6-8 entire or sparingly toothed lobes, 

 tnincate at the base, smooth and shining on both sides ; cup top-shaped, with 

 coarse scales, enclosing one half or one third of the ovoid nut. — Dry woods, 

 Florida, and northward ; more abundant in the U])per districts. — A large tree, 

 not easily distinguished from the preceding, and probably only a form of it. 

 Leaves turning bright scarlet after frost. 



10. Q. rubra, L. (Red Oak.) Leaves oblong, with open shallow sinuses, 

 and 8-12 entire or shaqilj^ toothed . lobes, smooth on both sides, paler beneath ; 

 fruit large, cup shallow, flat, with fine scales, enclosing the base of the ovate or 

 oblong nut. — Rocky woods, Florida, and northward. — A large tree. Leaves 

 turning dark red after frost Nut 1' long. 



11. Q. Georgiana, M.A.Curtis. Shnibby; leaves small, very smooth, 

 somewhat obovate, wedge-shaped at the base, with deep or shallow open sinuses, 

 and 3-5 triangular-lanceolate entire acute or obtuse lobes; fruit sliort-pedui\- 

 cled ; cup smooth and shining, saucer-shaped, enclosing one third of the oval- 

 globose nut. — Stone Mountain, Georgia, liavetiel. — Shrub 6° -8° high, grow- 

 ing in clusters. Leaves 3' -4' long. Fruit abundant. Nut i' long. 



■*- -t- Leaves tomenlose beneath. 



12. Q. falcata, Michx. (Spanish Oak.) Leaves oblong, rounded at the 

 base, 3 -5-lolKd ; the lobes cntiiv or sparingly toothed at the apex, the terminal 

 one commonly narrow and elongated ; fruit rather small ; cup somewhat top- 

 shaped, with coarse scales, enclosing half of the globular nut. — Var. rA<iOi>/«- 

 FOLiA, AY/., has larger leaves, witii 11-13 nearly ()[)p()site and spreading lobes. 



— Drj' woods, Florida, and northward. — A large tree. Leaves 4' -5' long, 

 entire near the buBO. Nut J' long. 



