PLATE 74 
Cotiidia of the various species of Phytophthora illustrating differences in shape of 
conidia and appearance of the terminal papilla. X320. 
A. — P, cactorum (Phyllocactus sp.). 
B. — P, syringae. 
C. — P.faberi. 
D. — P. nicotianae. 
E. — P, jatrophae. 
74550°—17 - i 
