INSECTICIDES 59 



application. Certain finely ground tobacco powders, called 

 " funrgating-kind " tobacco powder, are used in the same way 

 and are much the cheapest form of tobacco for fumigation, 

 though requiring slightly more work in preparing for fumigation. 

 These tobacco preparations are excellent for the fumigation of 

 household plants, which may be placed in a closet and then 

 fumigated according to the directions of the particular brand 

 employed. Melon vines, young apple trees, bush fruits, and 

 similar outdoor crops may be effectively rid of plant-lice by 

 fumigating with tobacco-paper under a frame covered with 

 canvas or muslin sized with glue or linseed oil. 



For further discussion of Insecticides see Farmers' Bulletin 127, U. S. 

 Department of Agriculture. 



