358 MONOECIA.— POLYANDRIA. 



HAB. Wood)?. A large tree; bark rough, blackish. 

 3. Q,. discolor : leaves oblong, pinnatifid-sinuate, pu- 

 bescent beneath ; lobes oblong, dentate, setaceous- 

 ly mucronate ; cup turbinate, acorn ovate. 



HAB. Upland forests. A large tree ; young leaves 

 downy on both sides. 



t Leaves deeply sinuate and m lobed. 



9. Q, coccinea : leaves long-petiolate, oblong, deeply 



sinuate, smooth ; lobes divaricate, dentate, acute, 

 setaceously mucronate ; cup turbinate, scaly ; 

 acorn short-ovate. 

 HAB. Woods. A large tree ; leav. bright green ; 

 cup with prom, scales 



10. Q, rubra : leaves long-petiolate, smooth, obtusely 

 sinuate ; lobes rather acute, dentate, setaceously 

 mucronate ; cup flat, nearly smooth ; acorn sub- 

 ovate. 



HAB. Woods. A large tree; leav, bright green : 

 sinuses large, rounded. 



11. Q,. Catesbaei : leaves on short petioles, cuneate at 

 the base, oblong, deeply sinuate, smooth ; lobes 

 3 — 5, divaricate, dentate, acute, setaceously mu* 

 cronate ; cup turbinate, broad; scales obtuse, 

 those of the margin inflexed ; acorn subglobose. 



HAB. Pine barrens. Shrubby; 6 — 15 ft. high; 

 leav. subsessile. 



12. Q.falcata : leaves on long petioles, obtuse at the 

 base, woolly beneath, 3-lobed and sinuate ; lobes 

 falcate, setaceousty mucronate, terminal one 

 longer ; cup crateriform ; acorn globose. 



IIAB. Dry woods. A large tree; leav. with S — 5 

 large lobes, shining above. 



13. Q. palust ris : leaves on long petioles, oblong, 

 deeply sinuate, smooth ; axils of the veins villous 

 beneath ; lobes divaricate, dentate, acute, seta- 

 ceously mucronate ; cup flat, smooth ; acorn sub- 

 globose. 



IIAB. Wet woods. A large tree ; acorns small, 

 abundant. 

 3 4. Q. Bannisteri : leaves on long petioles, obovate, 

 cuneiform, 3 — 5 lobed, entire on the margin, 

 grayish-tomentose beneath ; lobes setaceously mu 

 cronate ; cup subturbinate ; acorn subglobose. 



