296 



MICRO-ORGANISMS AND FERMENTATION. 



as resting cells, for these cells are sometimes found alive in 

 old growths when most of the other individuals have perished. 

 In artificial nutrient solutions containing mineral salts, sugar, 



Fig. 49. Besting cells (after Will). A, usual mode of germination ; B, resting cells, 

 with club or sausage-shaped daughter cells with transverse walls. 



and asparagin, with addition of citric or tartaric acid, such 

 resting cells occur also in the sediment. Globular or oblong 



