Plate IV 



A (upper left), Aspergillus restrietus Smith, NRRL No. 154. B (upper right), Aspergillus fumigatus 

 Presenilis, NRRL No. 163. C (center left), Aspergillus nidulans (Eidami Wint., XRRL No. 192. D (center 

 right), Aspergillus rariecolor (Berk, and Br.) Thorn and Raper, NRRL No. 195-1. E (lower left), Aspergillus 

 ustus (Bain.) Thorn and Church, NRRL No. 278. F (lower right), Aspergillus flaripes (.Bain, and Sart.) 

 Thorn and Church, NRRL No. 295. Figure .4 growing upon Czapek's solution agar containing 20 percent 

 sucrose and 0.5 percent peptone; all other cultures growing upon standard Czapek's solution agar. (Color 

 photographs by Haines, Northern Regional Research Laboratory. Reproduced through co-operation of 

 Chas. Pfizer & Co., Inc.) 



