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 Bticl. savaslauoi. 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. 



