INSECTICIDES— TOOL-ROOM 



let either the spray or the powder come in 

 contact with the skin. Some persons may 

 be susceptible to the poison while others are 

 not, — presenting a case of what the doctors 

 call an "idiosyncrasy." 



Paris green, mixed in the proportion of 

 two tablespoonfuls to three quarts of water 

 and used as a spray, will destroy a beetle 

 that sometimes appears upon the Gourd 

 vines. 



Tobacco water will kill the black aphids 

 which appear on the stems and leaves of 

 hardy Chrysanthemums. It will also kill 

 green aphids. This spray is made by fill- 

 ing an ordinary pail lightly, not pressed 

 down, with tobacco stems. Pour as much 

 cold water into the pail as it wiU hold; 

 let it stand for three hours, when it is 

 ready to use in the spraying machine. This 

 mixture will be good for only twenty -four 

 hours. 



Tobacco spray will also destroy the large 

 red aphid (I call it this for want of, per- 



193 



