CURRANT AND GOOSEBERRY DISEASES. 105 



and first appears as a delicate white mildew on the ex- 

 panding leaf buds, extending later to the young wood and 

 fruit. Later, about May, says the Board of Agricul- 

 ture Leaflet, it becomes visible on the fruit in the form 

 of "glistening, frcst-like sj)ots " on the lower and shady 

 part of the bush, then spreads to the leaves and tender 



GALLS ox GOQ-KBEHRY SHOOT.S. 



,Mr. F. V. Theobald informs that the nodules or excre&cences often eeen on 

 gooseberry shoots, ae seen in above illustration, are not due to ineect atitack 

 or dieea&e, but to sappre<seed buds. 



shoots. In its earlier stages it has a cobwebby appear- 

 ance, changing to a light and powdery condition. Dur- 

 ing the summer spores are developed freely, and are easily 

 conveyed to healthy shoots by the agency of wind, insects, 

 etc. Later still the mildew changes from white to brown, 



