92 



JOURNAL AND PROCEEDINGS. 



Dudley, the term '■' leaf blight " would be more appHcable as a 

 common name. 



This blight first appears on the new leaves about the time of 

 the setting fruit, and if the weather of the succeeding months is dry 

 and hot, there will result serious injury to the vitality of the 



Fig. 18. 

 plants. You will readily recognize the common appearance of 

 this fungus trom fig. i8. The spot is at first brownish or red- 

 purple, but when fully matured it has a circular centre dead white, 

 from one-eighth to one-quarter of an inch in diameter. The red- 

 purple color is the re- 

 sult of a growth of fila- 

 ments of the vegetative 

 portion, or mycelium, 

 (fig. iga.) of this fun- 

 gus, pushing their way 

 through between the 

 ciUs of the interior of 

 leaves, disorganizing 



their contents and ab- Fig. 19.— Section of diseased strawberry leaf . 



