66 



A MANUAL OF THE PENICILLIA 



lono^^' I'^-.I^fiu^'^ce of substratum. A-C, Penicillium digitatum Saccardo, NRRL 

 in i' ^^^Z^Il^ upon Czapek's solution, steep, and malt extract agars respectively: 

 lU days, 25 G. (see discussion p. 386). D-F , P. diversum Raper and Fennell, NRRL 

 2121, growing upon the same media under similar conditions (see discussion p 653) 



