

■/•: 



w 





Fig. 162. Penicilliurn purpurogenum St oil. yl and fi, Ten-day-old colonies of 

 NRRL 1061 on Czapek and malt. C, Penicilli seen under rather low magnification, 

 X 200. D, Enlarged view of penicillus, X 1000. E and F, Ten-day-old colonies of 

 NRRL 2019 on Czapek and malt agars. Colony reverse and agar on Czapek quickly 

 assume deep red shades as shown in A and E. 



634 



