THE BOOK OF ROSES. 35 



leaves. There seems no remedy in the open 

 air, but that of removing, by hand, the insects, 

 and even the infected branch. But under cover, 

 tobacco-smoke will prove an effectual remedy 

 for the aphides; while the larvae of others, 

 especially the tipula and tenthredenidce, which 

 occasion the wrapping up and shrivelling of the 

 leaves, may be removed by washing with lime- 

 water, and hand picking. 



