BIVERTICILLATA-SYMMETRICA 



649 



Fig. 164. A,B, and C, Penicilliurn rugulosum Thorn, NRRL 1045, on Czapek, steep, 

 and malt agars, respectively, at ten days. D, Detail of penicillus in same strain, 

 X 900. E and F, P. tardum Thom, NRRL 1073, on Czapek and malt agars at ten days. 



