PROCEEDINGS OF THE ANNUAL MEETING 



18L 



the stiilT and j^ct i-id <tf it. I (liiiik T liavc said fiioii^li to indicate? that tlie' 

 snhjt'ct is tianulit willi man.v dinicnltics, and lliat in many cases it is im- 

 poilant to know the iiahits ov life history of an enemy before j^ou know 

 how to make an economical and snccessfnl attack, and ii is often impossi- 







Plate IV. 



1. A perithecium with sixteen queer appendages, tlie whole barely visible to the unaided 



eye. 



2. A single scale (ascus) from number one, containing; eight spores. 



3. An erect conidispore about to break up into a number of spores. 



4. One of these thin-celled spores {terminating. 



5. Showing the process of fertilization, the contents of one cell about to pass to a larger cell 



that resting-spores may be produced. 

 6-12. Leaf-rust of the cherry, peach, plum, etc., but not the apple. 



ble to distinguish one fungus from a number of others in their earlier 

 stages. You will infer that the pomologist and the botanist are not likely 

 soon to be out of employment for the want of something to study and 

 overcome. In this^respect we can fall in with the views of our friend, 



