PLANT BACTERIA, VOL. 2. 



PLATE 6. 



Tuberculosis of Olive. 



Shoots of olive inoculated Nov. 26. 1907, at yy by needle-pricks. A pure culture of Bad. samstanoi, 3 days old, was used. Photographed Mar. 

 13. 1908. Metastatic tumors in process of development at xx. Channel of infection in vessels next to pith. 



