THE COUNTRY HOME [chapteu 



ting, after ridding them of the worms. It is also 

 advisable for both canker worms and cut worms 

 that we spray them with Paris green. This work 

 must be done very promptly and very thoroughly; 

 throwing a scattered spray that reaches half of 

 the tree does little good. 



This paragraph must deal with a trouble which 

 I confess is most difficult to manage ; I refer to the 

 different varieties of aphides or lice that infest our 

 fruit trees, and sometimes our lawn trees. No one 

 has yet devised any method whereby we can com- 

 pletely master these insignificant creatures. The 

 hop louse appears first on plum trees and on buck- 

 thorn hedges, early in the spring. After breeding 

 several generations, to the great annoyance of tree 

 growers, it turns a generation loose into the hop 

 yards. The destruction wrought is often so great 

 as to make picking hops not worth the while. Our 

 remedy, so far as we have any remedy, is spraying 

 with kerosene emulsion, or with whale oil soap, or 

 both combined. As the leaves curl up very quickly 

 under the influence of these parasites, it is very 

 difficult to hit them all with spray. You must go 

 over and over again, day after day, until you find 

 that you are making some impression. Take a 



[266] 



