THE BIOLOGY OF MICROBES, ETC. 



175 



Saccharomyces minor. This organism (Fig. 39, 3) 

 consists of a spherical cell measuring 6 p in diameter. 

 It occurs in chains of six or nine cells. The spore- 

 forming cells each measure from 7 to 8*5 p, in dia- 

 meter, and contain from 2 to 4 spores, each hav- 

 ing a diameter of 3 -5 /^. Hansen and En gel state 



3 n$ O 



$ ^ o^ ^ o 



o 



00 Q 



O 

 Cb 



m 



FIG. 39. YEAST-FUNGI. 



that this yeast is the cause of fermentation in 

 bread. 



Saccharomyces ellipsoideus. The cells are ellipti- 

 cal (Fig. 39, 4), mostly 6 //, long, and are isolated or 

 united in little branched colonies. Two to four 



