62 



Walter H. Burkholder 



Figures 13. 



BEAN PLANTS THAT HAVE BEEN INOCULATED WITH PHYTOMONAS VIRIDIFLAVA, 

 SHOWING GALL FORMATION BELOW THE DEAD TISSUES 



on the pods with a camel's-hair brush. In no case was infection produced. 

 The experiments were too few in number, however, and were not conducted 

 under sufficiently varied conditions, to permit of drawing any definite 

 conclusions. 



