CLASSIFICATION OF ANGIOSPERMS. 559 



(storax), which is obtained from a very similar tree (L. 

 orientalis). 



f. PLATANACE.E OR PLANE TREE FAMILY. This 



FIG. 313. Branch of Witchhazel (HamameHs virginiana) showing alternate, short- 

 petiolate and pinnate-reticulately veined leaves, having a broadly oval or obovate out- 

 line, round, acute, or slightly acuminate apex; slightly cordate, inequilateral base; and 

 undulate or sinuous margin. 



/amily consists of but one genus, Platanus, of which there are 

 7 species. It includes the sycamore or buttonwood (Platanus 

 occidentalis), one of our largest trees, easily recognized by its 



