132 



MICRO-ORGANISMS AND FERMENTATION. 



Saccharomycetes with 



2, Sacch. Pastorianus I. 

 5, Sacch. ellipsoideus I. ; 



FIG. 32. 

 ascospores, after Hansen 



; 3, Sacch. Past. II. 

 6, Sacch. ellips. II. ; 



1, Sacch. cerevisise I. ; 

 ; 4, Sacch. Past III. ; 

 a, cells with partition- 



wall formation ; b, cells containing a larger number of spores than usual 

 c, cells showing distinct rudiments of spores. 



