FERNERIES. 



89 



is a lovely fern, but it has to be grown in the warmer part of the house 

 The C. Schiedei (fig. 889) is a very graceful fern ; the under surface 

 of the fronds is of a lovely silvery lustre : it is a desirable acquisition 



Fig. 888. — Cyathea medullaris. 



Fig. 889.— C. Schiedei. 



The genus Alsophila yields us two species, the A. anstralis (fig. 890) 

 and A. capense, both of which do well in the outdoor ferneries in 

 summer time. The Onoclea sensibilis and Strutkiopteris germanica 

 (fig. 887) we have excluded from the house altogether, as they grow 

 so much better out of doors. 



The Dicksonia antarctica is a noble tree fern, nearly but not 

 quite hardy. It grows rapidly from spores, and in a few years makes 



Fig. 891. — Dicksonia squarrosa. 



a good trunk. Dr. Hooker pointed out to me the advisability of nof 

 removing the dead fronds, but of allowing them to fall pendant over 

 the trunk, which gives a peculiar and picturesque appearance to the 

 whole plant. We grow also plants of the D. squarrosa (fig. 891). 

 Some species of Dicksonias are called by Kaulf Cibotium, and of 



