PLANT BACTERIA. VOL. 3. 



PLATE 20. 



(1) Cross-section of fruit-stalk of a dwarf banana infected naturally with Bacillus musat. Photographed 



November 23. 1910. For slightly enlarged view of such a cross-section showing the white bacterial 

 ooze see text fig. 76. 



(2) Longitudinal section of sucker from Chinese banana plant No. 15, Inoculated on March 15. At X. X. 



discolored vascular bundles may be seen extending from the rootstock into the pseudo-stem. (After 

 Rorer.) 



