Fig 163 A and B, Penicillium aculeatum Raper and Fennell, NRRL 2130; ten- 

 dav-old colonies on Czapek and malt agars. C, Detail of penicilli from a second 

 typical strain, NRRL 2129, showing rough conidiophores, globose and conspicuously 

 roSgh conidia, X 1000. D knd E, P variabile Sopp, NRRL 1048, ten-day-old colonies 

 on Czapek and malt agars. 



640 



