352 



UNIVERSITY OP CALIFORNIA EXPERIMENT STATION. 



table represent work done by spraying healthy nuts with a water solu- 

 tion of the organism on a rather late blooming tree, being in blossom 

 from the middle to the last of April. The nuts were always very free 



FIG. 89. Below Stigma exudation from blighted nuts, 

 infected with Bacteriosis. 



Above Nuts artificially 



from blight, and when the atomizing work was begun no blight of any 

 kind could be found on this tree nor did it ever develop to any extent at 

 other points than those that were atomized. 



