14 



turnips, the globular root is the portion of the plant that shows the 

 most decay. The rot is brown in color, very soft, and with a dis- 



f-~^ 



Fig. 8.— A healthy catiliflower plant ; inoculated and erown 

 under the same conaitions as the inoculated plants. 



Fig. 7.—B. oleraceae. The flag- 

 ella stained by Van Krmegen'.s 

 method. The bacteria were 

 taken from an agar culture 18 

 hours old. 



Fig. 9. — Cauliflower plant inoculated by placing a 

 piece of softened tissue, taken from the interior of 

 an affected inoculated petiole, on the surface of 

 the healthy flower. The flower is reduced to a 

 pulpy, black mass.^Five days from time of ino- 

 culation. 



agreeable odor. The turnip leaves have a wilted appearance, owing 

 to the fact that their supply of nourishment is cut off. 



