34 



THE PLANT WORLD 



Scarlet Oak (^Quercus coccinea, 

 Wang.) (Fig. 5). — A tree similar 

 to the preceding, with inner bark 

 pale reddish or gray . Leaves thin, 

 bright green above, turning scarlet 

 in the fall ; the lobes oblong, few- 

 toothed ; cup top - shaped, acorn 

 twice as long as the cup, light 

 colored. 



Black Oak {,Q. velutina. Lam.) 

 (Fig. 4). — A large tree, very com- 

 mon, with rough, dark brown bark, 

 inner bark bright orange. Leaves 

 deeply lobed, large, dull above and 

 usually pubescent on the veins be- 

 neath. Acorn about an inch broad 

 ad equally high. 

 Span ish Oak ( Quercus digitata , Marsh . ) 

 (Fig. 6). — Wood hard, coarse-grained. 

 Leaves dark green above, rusty beneath, 

 deeply cut into 3 to 7 lobes ; lobes often 

 scythe-shaped, terminal lobe often elong- 

 ated ; acorn small. Common in sand soil. 

 Bear Oak or Scrub Oak iQ. nana, 

 (Marsh.) Sudw.) (Fig. 7).— A shrub, or 

 small tree in the mountains, maximum 

 height 25 feet. Leaves 2 to 5 inches 

 long, 3 to 7 lobed, lobes triangular ; acorn 

 small. 



Black Jack iQaerais 

 Marylandica , M uench . ) 



(Fig. 8). — A common tree in dry soil, about 60 feet 

 high, with rough, nearly black bark. Leaves dull, rusty 

 beneath, 3 to 5 lobed ; acorn small. 



Water Oak {Querais nigra, L.).— Bark gray in ridges. 

 Leaves obovate, 1 to 3 lobed at the apex, on some entire, 

 leathery, bright green above; acorn small. Along 

 streams and swamps. 



"Bartram's Oak" {Q. heterophylla, Michx.) has been 

 listed in this State by De Friese. It is generally con- 

 sidered a hybrid of the Willow Oak and the Red Oak. 

 Willow Oak (^Quercus Phellos, L.) (Fig. 9).— A tree 



