610 



THE MONTHLY BULLETIN. 



Fig. 34S. — Lemon tree pounded' with a ham- 

 mer and infected with grey fungus (Botrytis) 

 July 11, 1912. Photographed May 10, 1913, 

 showing areas of diseased bark outlined with 

 chalk marks. A pocket of gum near the top 

 had formed under the live bark and is indicated 

 by the dark line of exuding gum. (Original.) 



