212 
Choice Ferns for Amateurs. 
purpose. Doodias, when planted under or grown 
amongst other plants, bear with impunity the syring- 
ings that may be found necessary to the welfare of 
the latter, or do equally well without, as the case 
may be. They should be potted in a compost of 
three parts of peat and one of silver sand : while a 
little chopped sphagnum forms a valuable addition. 
The drainage, especially when they are grown in 
Fig. 90. Doodia aspera multifida, a variety with gracefully 
drooping fronds, several times forked at their extremity. 
pots, must not be overlooked, as they are very 
sensitive to the effects of stagnant water. None of 
them like exposure to the full rays of the sun. 
Doodias are invariably propagated by means of 
their spores, which are produced in abundance, and 
germinate very freely, but they may also be increased 
by the division of the crowns in early spring. 
