544 



THE BOOK OF GARDENING. 



then the pan should be filled to a sufficient depth with nn,er 

 material until there is enough to plant the Ferns. The principal 

 thing is to have the work firmly done, and, when the rhizomes 

 are well pegged down and watered, very little attention besides 

 watering will be needed for some time. A greater surface in a 



Fig. 341. — Polypodium sub-auriculatum. 



pan of same dimensions may easily be obtained by raising the 

 compost in the centre of the pan and forming a cone resting on 

 rough pieces of peat, all made secure by being skewered together. 

 This method is particularly suitable to certain Ferns, such as 

 Davallias, and, with a little extra care, these mounds can easily 

 be prevented from becoming dry. 



