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ACKNOWLEDGMENT 
The writer is deeply indebted to members of the Bureau of 
Agriculture for the kind assistance they have given toward ob- 
taining bud-rot material and data concerning inspection work; 
to Dr. S. F. Trelease for reading, and giving many valuable 
suggestions in, the manuscript; and to his students E. Roldan, 
F. D. Luistro, F. M. Clara, and L. S. Clemente for their kind 
assistance with some of the inoculations, 
