Ch. X] 



BLUE AND GREEN MOLDS 



457 



A common and typical form is the Green (bluish green) 

 Mold (Fig. 319) which sends its slender mycelium over and 

 through the substratum, and puts up tall conidiophores 



Fig. 319. — Aspergillus (Eurotium) herbariorum. 



Left, sporophore developing conidia, X 200. Upper line, conidia 

 (asexual spores), one germinating, X 625; and young mycelium, X 150. 

 Mi'Mle line, ascogonium, and stages in development of the perithecium, the 

 second showing antheridia, X 625. Lower line, perithecium, X 150 ; two 

 asci and ascospores, and germinating ascospore, X 625. 



which produce radiating lines of conidia, disseminated by 

 winds. In sexual reproduction two short hyphal filaments 

 come together and intertwine spirally, with presumably a 



