PLATEI 5 
Winter stage of Sclerotinia ricini, Orlando, Fla., February, 1919. 
A. —Bases of old diseased inflorescences, showing sclerotia developed in the early 
spring. X 3/4* 
B. —Canker developed on the side of a castor bean stalk from a diseased spur. 
Note early stage of sclerotium development. X 3/4- 
C. —A weak spring growth on the side of an old castor bean stalk. It has become 
infected with the gray mold and has carried infection into the stalk, producing a 
canker. X3/4. 
