INSECT ENEMIES. 97 



plants are set out, and is recognized by the plants 

 ceasing to grow, and wilting or assuming a bluish 

 appearance. Such plants should be at once re- 

 moved, together with the earth immediately sur- 

 rounding the root, and fresh plants which have 

 been held in reserve set in their places. The only 

 satisfactory remedies are preventive ones. The 

 seed-bed should be composed of soil taken from 

 the woods, or at least from some place where no 

 cabbages or similar plants have been grown. But 

 the most important precaution is to avoid growing 

 the crop year after year upon the same ground, 

 especially after the insect has made its appearance. 

 The following remedy, given by Francis Brill, in 

 his pamphlet on " Cauliflowers," is worthy of careful 

 trial. Mr. Brill says: "The ravages of the root 

 maggot have made the growing of early cauliflower, 

 and even early cabbages in many sections, almost 

 an impossibility, but there is a remedy, when the 

 maggot has attacked the roots of the plants, which 

 may be known by a tendency of the leaves to wilt 

 and droop in the heat of the day, very much the 

 same as when affected by club root. Dissolve Muriate 

 of Potash (analyzing 45 per cent, actual potash) in 

 water in the proportion of one tablespoonful to the 

 gallon; or double the quantity of Kainit or common 

 potash salts (13 per cent, actual potash). Apply 

 this directly to the roots, about one gill to each 



