PLATE a 
Sections of a tomato fruit infected by Bacilltis carotovorus. 
A.—Early stage of invasion; bacteria confined to the intercellular spaces. 
B-D.—Medium early stages. B-C.—Intercellular spaces enlarging through disso¬ 
lution of the middle lamellae of the adjoining cell walls; bacteria beginning to invade 
the cells. 
D. —Cells losing their turgidity and coherence; middle lamellae dissolved. 
E. —Bacterial invasion of a firmly attached cell. 
F-H.—Late stages. Cells occupied by the bacteria. 
