30 THE BOOK OF FERN CULTURE 



but with age it gets a little stunted, spores germinate 

 freely and it is not difficult to have a succession of young 

 plants. There are several small growing Polypodiums, 

 which are equally useful for the stove rockery as for 

 growing on tree stems ; and they also do well in pans 

 with the rhizomes regulated. As they do not root 

 deeply, plenty of drainage is essential. 



