250 



BACTERIAL DISEASES OF PLANTS 



of Bacillus, uroideae. The 

 From X upward, whey; and 

 n. Inoculated January 15, 



Fk;. 189. — .1. Feriiienhiti(jn-tube milk cultur 

 closed arm is full of gas (all CO2) and so is the U 

 downward, curd. Curd also in base of the closed 

 1915. Photographed February 10, 1915. 



B. Same as A but 48 hours later when all tlie gas has been absorbed b_\ 

 dition of a strong solution of sodium hydroxide. 



