264 



THE MONTHLY BULLETIN. 



The Bureau of Plant Industry. U. S. Department cf Agriculture, was constantly 

 in touch with the situation in Florida and the Gulf States during 1014, and as a 

 result of information furnished by the Honorable Secretary of Agriculture to Con- 



FiG. 74. — Citrus canker: (1) lower surface of grapefruit leaf infected with 

 canker, showing the circular raised spots surrounded by yellow halos ; (2) mature 

 canker infection on upper surface ot grapefruit leaf, showing crater-like appear- 

 ance ; (3) lower surface of leaf shown in (2) ; (4) infection on twig and thorn of 

 Citrus trifoliata, showing longitudinal splitting of the membrane; (5) infections 

 on grapefruit twig. No. 1. natural size ; Nos. 2. 3, 4 and 5, enlarged three diame- 

 ters. (After Jehle, Quarterly Bui., State Plant Board of Fla.) 



gress, ihe latter body appropriated $35,000 for investigating the possibility of eradi- 

 cating the disease, this fund becoming available February 1, 1915. This was the 

 iirst appropriation, outside of private contributions, made for the eradication work. 



