MONOVERTICILLATA 



207 



dent in marginal areas; odor faint, suggesting wood smoke; exudate 

 limited, occurring either as numeroufe small droplets or few large ones, 



Fig. 56. Penicillium decumbens series. A, P. chermesinum. Biourge. B, P. de- 

 cumbens Thorn. C, P. fellutanum Biourge. Ai, Bi, and Ci, Habit sketches of repre- 

 sentative penicilli. /I2, Bo, and Ci, Detailed drawings of ponicilU. This series is 

 characterized particularly by its short conidiophores which arise almost exclusively 

 from aerial hyphae. 



clear; reverse in light yellow to flesh or clay colors; conidiophores borne 

 entirely as short branches from loosely interwoven and traiUng hyphae 

 (fig. 57C), smooth- walled, mostly 20 to 40m by 2.0 to 2.5/x, some up to 50m 



