Fig. 1. Colony types in the Aspergilli. A, Aspergillus parasiticus NRRL No. 

 465, heavy sporing, non-floccose colony on Czapek's solution agar, room temperature, 

 10 days, X 2. B, Aspergillus wentii NRRL No. 375, light sporing, floccose colony 

 grown under the same conditions, X 2. C, Aspergillus variecolor NRRL No. 1954 

 characterized by the production of abundant, large perithecia, X 3. D, Aspergillus 

 alliaceus NRRL No. 315 characterized by abundant black sclerotia, X 2. E, Asper- 

 gillus ochraceus NRRL No. 408 on Czapek's solution agar, showing heavy sporing, 

 essentially azonate colony, X 2. F, The same on hay infusion agar, strongly zonate, 

 X2. 



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