100 THE CAULIFLOWER. 



is also excellent for the cabbage louse and many 

 other insects. In the report of the United States 

 Department of Agriculture for 1883 may be found a 

 description and figure of a suitable spraying 

 apparatus. 



5. Pyrethrum, one ounce to four gallons of 

 water; or, better still, mixed one part with about 

 twenty parts of flour and applied while the dew is 

 on, is an effectual remedy. 



6. Hot water, at 130 Fah., will kill the cabbage 

 worms and not injure the leaves. Boiling water, 

 placed in sprinkling cans and taken directly to the 

 field, will be about the right temperature by the 

 time it can be applied. Experiments with a few 

 plants may be needed to enable one to get just the 

 right temperature to kill the worms and not injure 

 the plants. 



7. Take half a pound of London purple to thirty 

 pounds of finely pulverized dust of any kind, the 

 finer and drier the better; mix thoroughly, passing 

 all through a meal sieve. Dash a small pinch into 

 the heart of the plant, so that it will settle as dust 

 on all the leaves. Repeat after every rain. Half 

 a pound will serve for one application over forty 

 acres. Store any that remains in a very dry place 

 until again wanted. 



8. Professor Gillette, of Colorado, finds the best 

 remedy to be Paris green, thoroughly mixed, one 



