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A MANUAL OF THE PENICILLIA 



pacted, and dark; odor as described above; reverse in dark walnut to almost 

 black shades; penicilli with parts generally as described above but usually 

 more complexly branched. 



Fig. 142. Penicillium davigerum Demelius, NRRL 1003. A and B, Ten-day-old 

 colonies on Czapek and malt agars. C, Enlarged view of colony margin as seen on 

 steep agar, X 5. D, Detail of a penicillus, X 750. 



Colonies on malt agar generally as described above, but with coremia 

 less abundant, often longer and more strongly branched (fig. 142B), usually 

 lighter sporing; penicilli generally larger and more complexly branched, 

 with parts somewhat thinner than on Czapek. 



Species description based upon NRRL 1003 received from Dr. G. R. 

 Bisby, Winnipeg, Canada, in 1934. Represented also by NRRL 1004 re- 



