62 FERNS IN THEIR HOMES AND OURS. 



Asplenium thelypteroides, Aspidium Filix-mas, SWARTZ. 



MICHX. Aspidium Goldianum, HOOK. 



Asplenium Filix-fcemina, Aspidium marginale, SWARTZ. 



BERNH. Struthiopteris Germanica, 

 Phegopteris polypodioides, WILLD. 



FEE. Onoclea sensibilis, LINN. 



Phegopteris hexagonoptera, Cystopteris fragilis, BERNH. 



FEE. Cystopteris bulbifera, BERXH. 



Phegopteris Dryopteris, FEE. Woodsia Ilvensis, R. Br. 



Aspidium acrostichoides, Woodsia obtusa, TORREY. 



SWARTZ. Dicksonia punctilobula, 

 Aspidium aculeatum, var. KUNZE. 



Braunii, DOLL, KOCH. Osmunda regalis, LINN. 



Aspidium Thelypteris, Osmunda Claytoniana, LINN. 



SWARTZ. Osmunda .cinnamomea, LINN 

 Aspidium Noveboracense, 



SWARTZ. 



List of North- American Ferns requiring more care 

 and protection, yet hardy at the North. 



Lomaria Spicant, DESV. Aspidium Lonchitis, SWARTZ. 



Scolopendrium vulgare, Lygodium palmatum, 



SMITH. SWARTZ. 



Camptosorus rhizophyllus, Asplenium Ruta-muraria, 



LINK. LINN. 

 Asplenium pmnatifidum, 



NUTT. 



North- American Alpine and Sub- Alpine ferns 

 as Aspidium fragrans y SWARTZ, Asplenium viride, 

 HUDSON, Woodsia hyperborea, R. BR., Woodsia 

 glabella, R. BR., &c. are very difficult of cultiva- 

 tion, and can only be made to survive in pits, or 

 any other place, for a brief period. 



