ASYMMETRICA-VELUTINA 



415 



4.0 to 5.0 cm. in 2 weeks at room temperature, in texture and color essen- 

 tially duplicating the above; penicilli similar in pattern to the above but 

 commonly showing loose masses of conidial chains up to 200m in length. 

 Colonies on malt agar 5.0 to G.O cm. in 2 weeks at room temperature, 



Fig. 108. Penicillium paxilli Bainier, XRRL 2008. A and B, Two-week old 

 colonies on Czapek and malt agars. C, Colony margin showing characteristic aspect 

 of penicilli as seen under low-power, X 90. D, Detail of single penicillus, X 1100. 



plane, essentially velvet}^ or with limited aerial overgrowth in colonj^ center, 

 more or less zonate, in dull yellow-green shades near grayish olive; penicilli 

 as on the preceeding medium. 



Bainier described Penicillium paxilli as a dark bluish green form with 



