POTATOES 375 



appear and again about a month later. The mixture for spraying 

 should be composed of one pound of sulphate of copper and one 

 pound each of fresh lime and soft soap. Each ingredient should 

 be dissolved in a separate utensil containing a gallon of hot water. 

 The liquid sulphate of copper and the dissolved lime must first 

 be mixed together and the soft soap solution be added after- 

 wards. The whole preparation should then be thoroughly well 

 stirred, and as soon as it is cool be applied to the top-growth 

 through a syringe. 



