KEY TO GENERA AND SPECIES 



NOTE. A less common variety of the English Oak 

 (var. sessiliflord) occasionally has a tapering 

 base to the blade, when it closely resembles 

 the leaf of the White Oak. The tree may 

 generally be distinguished from the latter 

 by the rather firm prominently furrowed 



Fig. 167. English Oak. 



dark bark; the bark of the White Oak being 

 light gray with a tendency to become flaky 

 or scaly on trunks and branches from 4 to 

 10 inches in diameter, rather than furrowed. 



139. Acorn broader than high. Southern N. J. 

 southward and westward. (Fig. 168.) 

 Overcup Oak, Swamp Post Oak, Water 

 White Oak, Quercus lyrata Walt. 



139- Acorn higher than broad. Central New 



