PLANT BACTERIA, VOL. 2. 



PLATE 5a. 



Crown Gall of Daisj-. 



Cross-section of stem of an inoculated plant between a primary tumor and secondary tumors, showing a tumor strand in the inner wood in 

 the center of the figure. Pith below. The secondary tumors are outgrowths from such strands. See next plate and page 72. Slide 

 639 A 6. 



