152 



GARDENING FOR PLEASURE. 



porfcance with heat, for if this is not attended to, you 



may expect red-spiders and thrips, and then all your labor 



may be in vain ; to keep up this moisture, tanks are usu- 

 r 



i 



i 



Ml 



ally placed on the hot-water pipes for graperies, and these 

 are kept filled with water, keeping up a continued evap- 

 oration, except at the time the vines are in flower ; it 



