FERN CASES. 



174 



FERN CASES. 



the ferns should be placed in the fernery, 

 namely, back, centre, or front. The 

 names of exotic ferns, chiefly of North 

 American origin, are placed in italics : 



C. Allosorus crispus Parsley Fern. 



Aspidium cristatnm 



, , Noveboracense 



,) thelypterioides 

 F. Asplenium adian- 



tum nigrum 



F. ,, ruta muraria . . . 

 F. ,. trichomanes . 



F. thelypterioides . . 

 F. ,, viride... 



C. Athyrium filix fce- 



mina 



C. Michauxii 



C. Blechnum Spicant 



F. Botrychiumlunaria 



F. Ceterach officina- 



rum 



.Black Maidenhair 



Spleenwort. 

 .Rue Fern. 

 .Common Maidenhair 



Spleenwort. 



.Green-stemmed Spleen- 

 wort. 



.Lady Fern (Fig. i). 



.Hard Fern. 

 , Moonwort. 



Scaly Spleenwort. 



FIG. I. ATHYRIUM KILIX FCEMINA, OR LADY 



FERN. 



F. Cystopteris fragilis . . Bladder Fern. 

 F. bulb if era.. 



B. Lastrea aemuia Hay-scented Fern. 



C. 

 B. 

 C. 

 C. 

 C. 

 C. 



Sieboldii 



C. ,, spinulosa Spiny Buckler Fern. 



C. ,, thelypteris . .Marsh Fern. 



C. ,, varia 



Onoclea sensibilis (Fig. 2>. , 



B. Osmunda regalis Royal Fern (Fig. 3). 



F. Phegopteris hexogonoptcra. 



F. ,, polypodioldfs . . * 



F. ,, dryopteris Oak Fern. 



F. , , phegopteri Beech Fern. 



F. ,, Robertianum. .Limestone Polypody. 

 F. , , vulgare Common Polypody 



(Fig. 4). 



B Polystichum ncrostichoides. 

 B, ,, aculeatum Hard Prickly Shield 



Fern. 



B. Polystich. angulare. .Soft Prickly Shield 



Fern. 



B. ,, ,, proliferum 

 B. ,, sestoum 



FIG. 2. ONOCLEA SENSIBILIS. 



B. Pteris aquilina Bracken. 



C. Scolopendrium vul- 



gare Hart's-tongue Fern 



(Fig. 5). 



Ferns, Aspect and Shelter for. Ferns, 

 as a general rule, require shade and 

 moisture, and they will therefore grow, 

 and may be cultivated with success, in 

 many a dark and comparatively gloomy 

 situation in which flowering plants will 



FIG. 3. OSMUNDA REGALIS, OR ROYAL FERN. 



not thrive. For an indoor fernery, for 

 example, a north aspect is suitable ; while 

 for the majority of plants, whose blossom 



