Saccharomyces. 67 



within, when in clusters pale rose-coloured, hyaline 

 (" Michelia," ii. p. 287). (Fig. 70.) 



On fermenting human ordure, where it forms a some- 

 what waxy layer, almost like a Corticium. This also is 

 considered by Saccardo to be a Hyphomycete.] 



[92. S. olei, Van Tieghem (Bull. Soc. Bot. France, 

 vol. xxviiL). 



Cells oval, arranged in branching threads, 4 p long, 2 '5 

 ft broad ; cell-contents pale rose-colour. 



In olive oil. The oil is changed in appearance by the 

 growth of this Fungus, becoming white and milky from 

 saponification. No gas is disengaged during growth, nor 

 is any special odour perceptible. The ordinary Saccharo- 

 mycetes will not grow in oil.] 



[Dr. Klein, Quart. Jour. Micr. Sci., 1883, p. 268, describes a pink 

 " Torula," consisting of cells 910 /x in diameter, which he assumes to 

 be those of S. cerevisitz. It formed pink droplets on a nutrient fluid ; 

 the colour was only developed on the free surface, and not in the 

 submerged growth. 



What is called the "ginger- 

 beer " plant, used in country dis- 

 tricts to produce home - made 

 ginger-beer, consists of "low" or 

 sedimentary yeast, and S. Mycoder- 

 ma, together with various species 

 of Bacillus, probably B. Ulna and 

 B. sub tilts, and in addition the 

 " Mucor-ferment " of Pasteur Fi S- T 1 - Mucor-ferment of Pasteur 

 (Fig. 71), which is considered by Wr racemose), from ginger-beer, 

 him to be a submerged vegetating form of Mucor racemosus. TR.] 



