TEASTS. 10 I 



formed from hyprue by the separation of cells in succession from the 

 free ends. 



The order is divided into those with naked asci (Gymnoascus) and 

 those having a perithecium or investing layer (Carpoascus). 



Belonging to the suborder Gymnoascus we have (i) the family of 

 Saccharomycetes, which reproduce by budding and in which the asci 

 are without any semblance of a sheath, and (2) a family in which there 

 is an indication of the formation of a perithecium this may be termed 

 the Gvmnoasci familv. 



FIG. 39 Yeast cells. Saccharomyces cerevisiae. (Coplin.) 



Saccharomycetes. There are three genera: Saccharomyces, En- 

 do myces and Cryptococcus. 

 Saceharomyces. These have ascospores. 



Sr- cerevisiae. This is the ordinary yeast fungus. Used at 



times as an antiseptic. 

 S. anginae. Found in a case of angina. 

 S. blanchardi. Found in a jelly-like tumor mass of the 

 abdomen. The budding cells varied from 2 to 

 2o/. Probably identical with S. tumefaciens. 

 Endomyces. Forms spores in the interior of filaments. 



E. albicans. The organism of thrush. It produces a false 

 membrane, especially on buccal surfaces. Grows 



