604 



A MANUAL OF THE PEMCILLIA 



Fig. 156. Penicillium striatum Raper and Fennell. A1-A2, Habit sketches of 

 representative penicilli . BiBz, Camera lucida drawings of individual penicilli show- 

 ing the diversity of pattern encountered. C, Mature conidia. D, Fertile hyphae 

 bearing asci terminally on short branches. E, Diagrammatic representation of a 

 cross section through a perithecium, X 150. Neither the pattern of the penicillus 

 nor the sterigmata are typical of the Biverticillata-Symmetrica, but the character of 

 its perithecia places P. levitum in the P. Interim series more satisfactorily than else- 

 where. 



extending the entire length of the spore, and tending to converge at the 

 two ends. 



