THE NINETEENTH ANNUAL MEETING. 



93 



spores that may be present and will not injure the tree. In case an orch- 

 ard becomes badly infested it would be well to spray it thoroughly with 

 sulphate of copper, either alone or in the form of eau celeste. 



" If the black-knot makes its appearance in a locality, concerted action 

 on the part of all will be necessary to keep it down, but if all join in the 

 work and fight it in a systematic way it can be exterminated. 



THE BROWN m)T. -Moniliafnirtigena. 



"In some localities great injury is done to the plum crop by a disease 

 called the brown rot. Although it has been known for a long time, it is 

 only about ten years since the first accurate description of the fungus that 

 caused it, was given. 



Fig. 3.— Brown Rot of Cherry. Monilia fiuctipeim, Pers. 

 • 



1. Disea.aeil leaf showing spots made by fungus, upper side. 



2. Ditto, underside. 



3. Bunch of cherries attacked by fungus. 



a. Cherry which was diseased the year before and has liung on the tree 



over winter. 



b. b. Green, healthy cherries. 



c. c. Diseased cherries with the blossom, d, clinging tu the fruit. 

 After Galloway. 



"The cherry, peach, apple, and other fruits, as well as the plum, are 



