8 THE MONTHLY BULLETIN. 



" The real solution of our difficulties began when Dr. A. J. Cook, in 

 January, 1912, in a discussion of gummosis, spoke of having acquired 

 the services of Professor H. S. Fawcett of the Florida Experiment 

 Station to carry on investigational work in citrus diseases in this state. 

 Professor Fawcett 's long experience and successful work in Florida 

 made hira well fitted to investigate this problem, and Dr. Cook, after 

 looking over our groves, with their great variety of soils and other 

 conditions, decided that this was one of the best localities in which to 



Fig. 1. — Lemon tree inoculated by inserting into healthy 

 bark a bit of diseased bark from another tree nearly 

 dead with gummosis, February 27, 1912. Photo- 

 graphed August 2, 1912, to show the characteristic 

 infection. (Fawcett, Mo. Bui., Cal. Hort. Com.) 



begin investigations of tree diseases. Arrangements were accordingly 

 made, whereby our laboratory would be at Professor Fawcett 's disposal 

 at all times; any additional equipment needed would be installed; and 

 our fullest cooperation was promised in all of his work. Similar ar- 

 rangements were made on the Limoneira Ranch at Santa Paula, and a 

 start was thus made toward a thorough investigation of the disease and 

 the remedies to be applied. 



