256 



BACTERIAL DISEASES OF PLANTS 



V- /3t 



Yui 194.— Potato shoot from same lot as Fig. 193 [Bacillus phytophthorus) 

 but from another plant and inoculated at the top. Hothouse temperature 

 ranging from 65°F., to 95°F. Needle-pricks at X, from a 2-day agar-streak 

 culture. Time, 43 hours. German organism (Appel I). 



