10 



ROW TO DESTROY IX SECTS. 



ed with the powder in such a manner that every % re- 

 ceives its share. The powder must be washed otf" again 

 with the syringe in a])out twenty-four hours after its 

 application, to prevent its injuring the fohage. 



Quassia Tea. 



A good insect remedy may be made by steeping 

 al)out two ouuces of quassia cliips in a gallon of hot 

 water. 'Hiis is very destructive to green fly if the 

 plants are immersed ni it. 



GeUiun's Compound, an insecticide, is also verv use- 

 ful. 



^4 Kt^iv Way of Overcomi, rf the areen FUf in JPlartt- 

 cases. 



Much the easiest and completest way of kee})ing 

 these sap-r;tealing and destructive vermin in check in 

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

 These will penetrate every crevice and reach every 

 hidden aphis without the handhng of a pot or a plant, 

 requiring only the use of a good syringe to shower and 

 wash 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 fcAV coals will not 

 sustain fire enough without flame, which is deadly to 

 the plants. And smoke from a fumigating bellows is 

 not sure to reach every insect, but is sure to annoy the 



