58 



on page 98, volume 1. Another remedy that has been used very 

 effectively is a simple solution of Sulphate of Copper. It is made by 

 dissolving- one pound of Sulphate of Copper in twenty-five gallons of 

 water using; it as a spray. This solution is a good one for spraying 

 the Vines before growth has started, but is too strong for young and 

 tender leaves and shoots. 



PERONOSPOKA VITICOLA. 

 Enlarged 20<> Diameters. 



A A A Showing the Cordelia or Fruiting Threads emerging from the Pores on 



under side of the Leal'. 

 B B Showing the Mycelium ramifying among the Cells inside the Leaf. 



