FOLIAGE PLANTS FOR GREENHOUSE 87 



root action is over-potting and using too deep a body 

 of soil in the pots. A good depth of soil may be 

 suitable for some of the strong growing Pterises, but 



DRACAENA THE SIRDAR 



for delicate Adiantums and all ferns that spread them- 

 selves by creeping rhizomes it is especially wrong to 

 pot or plant in a big body of soil, for with these the 



