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Proceedings of Indiana Academy of Science 



destructive in Lake, Laporte, Noble, White, Carroll and Miami counties. 

 New infection was found near Lfvfayette as early as April 18. Spur 



V*' 



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Fig. 9. Percmospora parasitica on radish. A. Blackened leaf lesions. B. Inter- 

 venous leaf lesions. C. Longitudinal section of seed st.em showing blackening of pith. 

 D. Blackened lesions on seed pod. E. Blackened root lesions on red varieties. 



blight of red raspberry caused by Mycosphaerella rubina was found in 

 St. Joseph County on June 9 and in Dekalb County on July 15. Leaf- 

 spot caused by MycospJuierella ruhi was noted near Lafayette on July 



