MONOVERTICILLATA 



139 





Fig. 37. PenicilUum parvum Raper and Fennell, XRHL 20Uo. .1, B, C, and D, 

 Two-week-old colonies on Czapek, malt, corn meal, and hay agars respectively. E, 

 Low-power view of perithecia on corn meal agar, X 60. F, Ascospores, X 1500; note 

 prominent ridges and equatorial furrows. 



