218 



the specimens at hand we are convinced that the characters hold 

 well geographically, although more complete material may prove 

 that they intergrade. In addition to these apparently good spe- 

 cies there is another maple of this group growing in the moun- 



FiGURE I. Photograph of a branch of Acer bernardinuin Abrams, about three- 

 eighths of its natural dimensions. 



