PLANT BACTERIA, VOL. 3. 



PLATE 28. 



Tomato-plant inoculated with Bacterium solanacearum (District of Columbia strain) on September 

 6, 1904, and photographed September 30, at two-thirds natural size. 



No wilt resulted. Observe swollen stem, shoots pushing, reflexed leaves and incipient roots which are absent above 

 and below. The needle-pricks were made in the middle (swollen) portion of the stem. 



