PLATE 26 
Potato-stem lesions four weeks after inoculation with miscellaneous fungi: 
A, Clonostachys sp.; 
B, Zygorkynchus sp.; 
C, AItemaria sp. I; • 
D, Alternaria (Macrosporium) solani; 
& } Phomasp.', 
F, Corethropsis sp. ; 
G, Chaetomium sp.; 
H, Acrostalagmus sp.; 
I-L, Control plants. 
