10 BOW TO DESTROT INSEVT8. 



ed with the powder hi such a manner that every fly rd 

 ceives its share. Tlu powder must be washed off again 

 with the syringe in a^out twenty-four hours after ita 

 application, to prevent its injuring the foliage. 



Quassia Tea. 



A good insect remedy may be made by steeping 

 about two ounces of quassia chips in a gallon of hot 

 water. This is very destructive to green fly if th 

 plants are immersed in it. 



Geihurt's Compound, an insecticide, is also very use- 

 ful. 



A K*u> Way of Overcoming the Green my in riant- 



cases. 



" Mvxch the easiest and completes!; way of keeping 

 these sap-stealing and destructive vermin in check in 

 crowded plant-cases is to use the fumes of tobacco. 

 These will penetrate every crevice and reaf > every 

 hidden aphis without the handling ol a pot or a plant, 



requiring only the use of a good syringe to shower anu 



fVash the foliage after the fumigation. 



" But in a small case it is quite difficult to get up 

 smoke of sufficient density to be effective, without 

 evolving a damaging amount of heat from the coals 

 which it is necessary to use as a few coals will not 

 sustain fire enough without flame, which is ueadly xo 

 the plants. And smoke from a fumigating bellow* is 

 no* sure to reach every insect, but is surf to anno" Jjie 



