Bui. 179, U. S. Dept. of Agriculture. 



Plate II 



Leaves of the Native American Spemi ■, ui Ckunu'.. Ill: i, Pkunus Huhiulana; 2, 



P. REVERCHONII; 3, p. RiVULAUIS. 

 (Niidinil .size.) 



