28 MICROBES, FERMENTS, AND MOULDS. 



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

 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 

 more or less liquid medium, like all other decomposing 

 and putrefying substances. The ordinary spores are 



