PLANT BACTERIA. VOL. 3. 



PLATE 15. 



Grand Rapids tomato disease. 



Leaves from tomatoes Nos. 12 and 15, which were inoculated on the stems Oct. 5. 1909, with Aplanobacler michiganense. Pho- 

 tographs made Nov. 19. Introduced to show the irregular drying out of the leaflets, which is quite characteristic. 



