PLATE XLVII 



Fig. I. — Cross section of a cucumber leaf, showing two stomatal infections (X, X). 

 At F there is a third stoma whose chamber is free from bacteria. Stained with carbol 

 fuchsin. X 1,000, nearly.. 



Fig. 2. — Cross section of cucumber leaf showing a dense bacterial infection due to 

 Bacterium lachrymans. Stoma at X. Moderate magnification. Carbol-fuchsin stain. 

 Tissues pushed out. 



Fig. 3. — A, Agar-poured plate from bouillon dilution of Bact. lachrymans.; B, agar- 

 poured plate made from same quantity of same bouillon as A, but after freezing 15 

 minutes. 



