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BULLETIN No. 189 



[June, 



Fi. 3. (1) YOUNG, BARREL-SHAPED CELLS WHICH COMPOSE THE SCLEROTIA OF 

 Ehizoctonia Solani -, (2) OLDER, EMPTY CELLS FROM THE SCLEROTIA 



FIG. 4. GERMINATING SCLEROTIAL CELLS OF Rhizoctonia Solani 



