78 THE ROSE. 



ent wings. Like tlie Red Spider, tliey prey 

 upon the leaves, working on the under side ; they 

 seem to go in swarms and are very destructive to 

 the plant, soon causing the foliage to assume a 

 sickly, yellow appearance. As they jump and 

 fly from one place to another, their destruction 

 is less easy to accomplish than is the case w^ith 

 other enemies. We have found syringing the 

 plants with pure w\ater, so as to wet the lower 

 side of the leaves, and then dusting on pow- 

 dered white hellebore, will destroy or disperse 

 them. Another remedy, nearly or quite as 

 good, is a solution of whale-oil soap, w^hich must 

 also be applied so as to reach the leaves from 

 beneath. 



Hose Caterpillar, or Leaf-Eoller. — There 

 are several kinds of caterpillars, belonging to an 

 order called Lepidoptera, which prey upon the 

 rose. They are the young of moths or butter- 

 flies, varying from one-half inch to three-quarter 

 inch in length ; some of these are green and 

 yellow, others brown ; they all envelop them- 

 selves in the leaves or burrow in the flower 

 buds. Powdered hellebore sprinkled over the 

 plants will prevent in a large measure their mov- 



