ASYMMETRICA-DIVARICATA 



267 



with the appearance of perithecia, conidial structures limited in number, 

 not affecting the colony appearance, perithecia abundantly produced 

 throughout the whole colony or in localized ^^-shaped sectors; exudate 

 clear, abundantly produced in central colony areas; odor lacking or indis- 

 tinct; reverse uncolored to light golden tan in age; conidiophores arising 

 mostly from the substratum, sometimes from aerial hyphae, from 50 to 



Fig. 71. Penicilliuni baarnense v. Beyma, \RRL 2086. .4 and B. T\v( 

 colonies on Czapek and malt agars. C, Low-power view of perithecia, 

 Ascospores showing characteristic furrow and rough walls, X 1500. 



SOOm, mostly 100 to 200^ by 2.2 to 3.0^, with walls smooth; penicilli some- 

 times monoverticillate, usually branched and often consisting of the main 

 axis and one branch (or metula) closely appressed, sometimes consisting 

 of 3 or 4, more or less equal metulae, bearing clusters of sterigmata with 

 conidia in loose tangled chains up to 150m hi length; branches (or metulae) 

 10 to 20m by 2.2 to 3.0m; sterigmata mostly in verticils of 3 to 7, closely 



