Sacckaromyces. 



59 



Hormiscium cerevisitz, Bail. 

 [Saccharomyces minor, Engel ?] 



Cells mostly round or oval, 8-9 //. long, isolated or 

 united in small colonies. Spore-forming cells isolated, 



Fig. 58. Saccharomyces cerevisite ; a, a bud-colony; 

 b, two spore-forming cells (after Lurssen). 



11-14 /" long; spores mostly three or four together in each 

 mother-cell, 4-5 p. in diameter. (Fig. 58.) 



Vf 



P4 



Fig. 59. "Low yeast," Sacckaromyces cerevisiez l a t the 

 same, budding actively (after Pasteur). 



In beer, in both high and low fermentation. 



The true beer-ferment is found in the various sorts of 







Fig. 60.*' High yeast," Saccharomyces cerevisia ,' 

 same, budding actively (after Pasteur). 



beer, in both modes of fermentation ; it is cultivated on a 



