13 (12) Leaves with a stiff leathery texture and somewhat lobed; trees of the dunes 

 and hollows 



13 (12) Leaves not leathery, simple and not lobed. 



14 

 15 



14 (13) Leaves with heavy spiny teeth at the 

 end of shallow lobes, dark green above, 



light green below Ilex opaca, 



American Holly 



Figure 11.— Leaf XI- 



14 (13) Leaves lobed with a bristle at the 

 end of the lobe, dark green above, 

 dense wooly hairy below; fruit an 



acorn Quercus ilicifolia. 



Holly Oak or Scrub Oak (other 

 species of genus on older dunes) 



Figure 12.— Leaf Xl- 



15 (13) Leaves ovate or elliptic, almost 

 broad as long; petioles (leaf 

 stalk) flattened or compressed 

 toward the base of leaf, two 

 glands at base of leaf blade, 20- 

 40 teeth; new branches reddish- 

 brown; leaves trembling in the 

 slightest breeze; trees of tran- 

 sition area between dunes and 



uplands Populus tremuloides, 



Quaking Aspen 



Figure 13.— Leaf XI 



15 (13) Leaves not as above, lacking long flattened petioles 16 



