Making the Hardy Fernery. 
49 
siicli strong-gTowing species as tlie Male Fern 
{N eyliT odium Filix-mas), the Prickly Shield Fern 
(Aspidium aculeatum, Fig. 32), and the Ostrich- 
Feather Fern (Onoclea germanica and 0. g. pennsyl- 
vanica) are thus disposed, they will shelter less robust 
species. Important, too, is it to consider, when plant- 
ing, the soil requirements of individuals, whether 
Fig. 32, Prickly Shield Fern— Aspidium aculeatum— a very 
robust species, well suited to shelter more delicate Ferns. 
singly or grouped ; the character of such individuals 
— whether deciduous or evergreen, for, unless this 
be done a bare appearance would be presented at 
the " fall of the leaf ^' that would be undesirable. 
As to the best time for making a hardy Fernery, 
this will depend upon circumstances. Such a place 
may safely be planted at any time from October to 
E 
