540 



THE BOOK OF CHOICE FERNS. 



A. ferulaceum dislikes loam, and grows more luxuriantly in peat and 

 sand ; its stem should be kept constantly moist, which state is best attained 



Fig. 92 Aspleriium ferulaceum 

 (| nat. size). 



by the introduction of a little sphagnum amongst the abundant aerial roots, 

 which are of a fleshy nature, and on which the plant is mainly dependent. 



