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. 
