28 



MICROBES, FERMENTS, AND MOULDS. 



cells is larger than the other, and persists alone up ta 

 the moment when the oospore is mature. It must, 

 therefore, be regarded, as the female cell ; while the 



Fig. 15. Reproductive organs of Mucor mucedo (much magnified). 



other, which is smaller and soon withers away, is the 

 male cell. 



The mycelium of the oomycetes is developed in a 

 mpre or less liquid medium, like all other decomposing 

 and putrefying substances. The ordinary spores are 



