b c d 10 e 3 f 



h Oblong and with 



i Very shallow saucer-like cup. 



SOUTHERN RED OAK (Quercus Texana) . 

 i 2 Deep top-shaped cup about half enveloping the acorn. 



HILL'S OAK (Q. ellipsoidalis) . 

 h 2 Subglobose, half enveloped by its deep turbinate cup of closely 



appressed scales SCARLET OAK ( Q. coccinea ) . 



hs Flattened-globose to almost hemispheric, with shallow saucer-shaped 



or slightly top-shaped cup PIN OAK (Q. palustris) . 



f 2 Lobes rounded or bluntly pointed and acorns maturing in the autumn of 



the first year; Ivs. 

 g Obovate-oblong, under surface 



h Glabrous, larger lobes long and narrow, acorn about one-third invested 



by the cup WHITE OAK ( Q. alba ) . 



h 2 White-tomentose, lobes shorter and more triangular; acorn nearly 



enveloped by its thin-edged cup OVER-CUP OAK (Q. lyrata). 



g 2 Broad-obovate with 



h 1 or 2 pairs of rounded lobes, the one next the apex much the largest 

 and commonly trucate or with wide sinus at apex. 



POST OAK (Q. minor). 



h 2 3 or 4 pairs deeply lyrate pinnatified; acorns generally large with 

 fringed cup BUR OAK ( Q. macrocarpa ) . 



