a b c d 10 e 3 f 25 



g Narrow at bottom; lobes wide at base and narrowing towards apex; Ivs. 

 h Oval to ovate, lobes 4-5 pairs, each lobe with 

 i One to three sharp teeth ; fruit 



j Scarcely % enveloped by its shallow saucer. 



RED OAK (Quercus rubra). 

 j 2 Half enveloped by its deep saucer. 



GRAY OAK (Q. borealis). 

 12 Entire, triangular and wide-spreading. 



SWAMP SPANISH OAK (Quercus pagodaefolia) . 

 h2 Obovate and lobes generally in 



i Four pairs, symmetrically arranged, the larger lobes 1-4 toothed. 



YELLOW OAK (Q. velufina). 

 12 One to three pairs, 



j Not symmetrically arranged, lobes scarcely dentate and those of 



some Ivs. finger like SPANISH OAK (Q. digitata). 



j2 Symmetrically arranged and generally in 

 k Two pairs; shrubs or very small trees. 



BEAR OAK (Quercus nanaj. 



k2 A single pair of wide-spreading lobes near a., or scarcely lobed 

 and very wide at a.; a medium-size tree. 



BLACK JACK OAK (Q. Marilandica) . 



g2 Sinuses wide, rounded and deep; lobes narrow, widening toward the apex, 

 the larger with 1-4 spreading teeth or sometimes toothed lobes; acorn 



