[M EMOIR 85 



Plate V 



DIFFERENT RATES OF FORMATION OF SCLEROTIA OF FOUR STRAINS OF CORTICIUM VAGUM ON 

 POTATO AGAR ADJUSTED TO pH 7.2 



(Age of culture, 12 days) 



C, Cabbage strain, with but few sclerotia and with brown mycelium at edges of petri dish. A, Aster 

 strain, with but few minute sclerotia. P27, Potato strain, with a heavy mass of sclerotia in center of petri 

 dish. B, Bamboo strain, petri dish practically covered with dark brown mycelium, with a few minute 

 sclerotia 



