BuL. 16, Div. Veg. Phys. AND Path , U.S. Deft. Agr. 



Plate I. 



m 



X^K 



v\y. 



W 



m 



'/nS 



'i 



i 



ii 



I 

 I 



■'1 



J 



If 



IMM 



I 



a t 



D.CiPa8smore;ael. ^-z. ■ •,■, - . ,305ton 



(hmparutive Resistaficeoffourva7ieties ofvjheatfram Oj^ancjie Leal' liust. 



