Saccharomyces. 



6i 



Fig. 6z. — a, Sacckaro-myces exiguus ; b^ S. con- 

 glomeratus, X 600. 



which consist of the numerous cells produced by budding 

 from one or a few mother-cells. Spore-forming cells often 

 Vinited in twos, or with ^. 



a vegetative cell ; spores 

 2-4 in each mother-cell. 

 (Fig. 62^.) 



In wine at the begin- 

 ning of the fermentation, 

 and on decaying grapes. 



83. S. exiguus, Reess {I.e., p. 83). 



Cells conical or top-shaped, about 5 /a long, reaching 

 2 "5 ju, in thickness, united in sparingly branched colonies. 

 Spore-forming cells isolated, each with 2-3 spores, which 

 lie in a row. (Fig. 62a.) 



In the after-fermentation of beer. 



84. S. Pastorianus, Reess (I.e., p. 83). 



Cells roundish-oval or elongated-clavate, of varied size. 



Fig. 63. — Saccharomyces Pastorzan-us ; «, the same, more highly 

 magnified (after Pasteur). 



Colonies branched, consisting of primary clavate cells, 18- 



