iA2 



k 



I 



A3 



/ 



Fig. 109. Penicillium caseicolum Bainier. Ai-At, Habit sketches of representa- 

 tive penicilli. Bi and B2, Detailed drawings showing characteristic irregularity in 

 the arrangement of cellular elements — conidiophores slightly roughened. C, Ma- 

 ture conidia. 



423 



