Fig. 31. Sclerotinia fuckeliana. i. vine leaf with the Botrytis 

 form of the fungus growing on its surface ; 2, a conidiophore of 

 the Botrytis with clusters of conidia, slightly mag. ; 3, a 

 head of conidia, X3oo; 4, small black sclerotia bearing the 

 Botrytis form of fruit ; 5, a sclerotium bearing two ascophores, 

 nat. size ; 6, the same, more highly mag. ; 7, a shrivelled grape 

 with numerous sclerotia imbedded in its skin ; 8, ascus containing 

 eight spores, also a paraphysis, x 300. 



