70 



SMITH S FEEN. 



in a large pan, containing a mixture of small pieces of lime- 

 stone, crumbled and sifted mortar from old walls, and free 

 crumbling loam : the pan being partially filled with this mix- 

 ture, the rhizomes should be carefully arranged on its surface, 

 and these again covered with the mixture to the depth of an 

 inch : the j)an thus prepared should be placed in the most airy 

 and exposed part of the greenhouse, and no shelter of any kind 

 placed over or around the fern. 





