262 RELATIONSHIPS OF THE COCCACE/E 



Species 2. R. fulvus (Cohn) Winslow. 



A saprophytic coccus, found most commonly in earth, 

 water, and air. Occurs in pairs, groups, or packets. 

 Generally decolorizes by Gram. Abundant, red surface 

 growth. Reaction in dextrose broth faintly acid, in lactose 

 broth alkalin or faintly acid. Gelatin either not liquefied 

 or liquefied very slowly. Nitrates not reduced. 



