140 



THE AMERICAN APPLE ORCHARD 



and a boiling heat easily produced. The arrange- 

 ment of such a cookery will be best understood from 

 the illustration below. 



Good lime is of great importance in making the 

 lime-sulphur spray, as in making bordeaux. Air 

 slaked or half burnt lime should never be used. In 



PLANT FOR MAKING LIME SULPHUR 



any case of doubt the amount of lime in the mixture 

 should be increased. An excess of lime can do no 

 possible injury, and it is a positive advantage in 

 that it whitens the trees and makes it easier to 

 follow the work. 



Good clean flowers of sulphur should also be used. 

 The so-called "sulphur flour" now largely substituted 

 at a saving of about one-fourth to one-half cent a 



