70 



355. ASHES. 



Wood ashes sifted on or placed around the bases of plants. 



356. BENZINE. 



This is used in cabinets or confined with household goods. Enough is 

 applied to make its odor as strong as possible. 



357. BISULPHIDE OF CARBON. 



For use in the ground, a quantity is poured or injected among roots 

 that are being injured. Against insects injuring stored grain or museum 

 material a small quantity is used in an air-tight vessel. 



358. BORAX. 



The powder or a strong solution is applied in crevices or on surfaces 

 requented by roaches, &c., to drive them away. 



359. CAMPHOR. 



As a preventive this is confined in drawers and packages, to protect 

 dry goods and specimens. 



360. CARBOLIC ACID. 



A solution of one part in 100 of water is used against parasites on 

 domestic animals and in their houses ; also on the surfaces of plants and 

 among roots in the ground. 



361. COAL TAR. 



Painted on tree trunks, &c., to catch or prevent insects from mounting. 

 By a few quarts in a barrel of water a solution is made to sprinkle plants 

 as a preventive. In 1 gal. water 1 qt., is dissolved [with heat] to form a 

 stronger solution, for use in the ground among roots and on the foliage. 

 The smoke from burning coal tar is used as a repellant. 



362. COPPERAS. 



In 1 barrel of water 5 lbs. are dissolved as a solution to sprinkle on 

 plants. 



363. CREOSOTE. 



Used like carbolic acid. 



