12 HOW TO DESTROY INSECTS. 



Persian Insect Powder. 



A small quantity of this added to a solution of whale- 

 oil soap and hellebore will destroy the green fly, and 

 applied with a syringe will keep all rose-bushes free 

 from insects. 



Another Method. 



Take two ounces of Persian Insecticide, dissolved in 

 one-fourth of a pint of spirits and diluted in ten gal- 

 lons of water. Two or three applications at intervals of 

 every two or three days will destroy all insects. 



Carbolic Soap for Green Fly. 



An experiment with this in killing insects on hcuse- 

 plants was made by an editor of a horticultural jour- 

 nal, with notes and results as follows : 



" The yrcen fly is, as everybody knows, a great pest, 

 and one not readily destroyed, except by fumigating 

 with tonacco, not always very agreeable. 



" My first experiment with the carbolic soap was a 

 decided success, operating upon two hundred roses just 

 in blooii' and it was conducted as follows : Into a pail 

 of warm water 1 put a inmp of soap the size of a small 

 hen's egg. The soap was cut r :nto small pieces, and 

 the water agitated until it was aii dissolved, forming a 

 warm suds. 



" The water should not be tuo hot, but if not above 

 ^20 or thereabouts it will do no ham). Into this suds 



