QUERCUS 75 



c. Buds circular or only slightly angled 

 in cross section. 



d. Buds and twigs orange -brown; 

 buds about 6 mm. long, slender, 

 acute 8. Q.prinus 



d. Twigs reddish-brown; buds red- 

 dish-brown or nearly black; 

 plump, obtuse or acute 



e. Buds reddish-brown;scales 

 near the apex, silky, or 

 puberulous, mostly on the 

 margins 



f. Leaves oblong, lobed 10. Q. rubra 



f. Leaves obovate, crenate- 



dentate 6. Q. michauxii 



e. Buds reddish-brown to nearly 

 black; scales near the apex 

 whitish-pubescent 12. Q. coccinea 



b. Largest terminal buds mostly less 

 than 6 mm, long, acute or obtuse 



c. Buds mostly acute 



d. Twigs gray-tomentose, becoming 

 glabrate 



e. Straggling shrub, mostly in 



the mountains 16. Q. ilicifolia 



e. Large timber tree, not in 



the mountains 15. Q. falcata 



d. Twigs mostly glabrous 



e. Buds and twigs brown or 



orange-brown 7. Q. muehlenbergii 



e. Buds and twigs red or 



reddish-brown 



f. Bud-scales glabrous; 



leaves lobed 11. Q. palustris 



f. Bud-scales pubescent; 



leaves entire 18. Q. imbricaria 



c. Buds obtuse, often nearly globose 

 d. Twigs shiny, red or reddish-brown 



