Fig. 334. — Asplenium fontanum. 



ON FERNS. 531 



fragilis, Dickieana, and montana\ , a few varieties of the Male 

 Fern, Lastrea Filix-mas ; Lomaria alpina ; the Oak, Beech, 

 and Limestone Polypodies, Polypodium Dryopteris (Fig. 336), 

 Phegopteris, and cal- . ( . 



careum ; Polypodium 

 vulgare\ and varie- 

 ties ; several hand- 

 some forms of Poly- 

 stichum, including 

 the Holly Fern, P. 

 Lonchitis ; numerous 

 forms of the common 

 Hartstongue, Scolo- 

 ■bendrium vulgare* ; 

 and Woodsia gla- 

 bella, ilvensis, and 

 obtusa. 



Among the medium-sized species and varieties, growing from 

 i2in. to 24m. in height we particularly note: Aspidium crista- 

 tum\ and A. noveboracense ; Dicksonia punctilobula ; several 

 handsome varieties of the Lady Fern, and also of the Male 

 Fern ; Lastrea intermedia, marginale, tzmula, montana\, Thelyp- 

 teris* ; the Welsh Polypody, P. cambricum ; and several pretty 

 forms of Polystichum angulare, Scolopendrium vulgare*, and 

 Woodwardia virginica* 



The principal and most ornamental species and varieties 

 growing 2ft. and upwards are : Athyrium Michauxii and several 

 varieties of A. Filix-focmina, such as Howardce, Granta, Elworthii, 



plumosum, seti- 

 gerum, ' todeoides, 

 ' &c. ; Lastrea 

 Goldieana, and 

 several varieties 

 of L. Filix-mas, 

 such as Bollan- 

 dice, Barnesii, 

 grandiceps, In- 

 gramii, lineare, 

 &c. ; also Lastrea 

 dilatata and its 

 several crested 

 varieties. The 

 North American 

 Onodea sensibilis* 

 and Osmunda cin- 

 namomea*, interrupta* , gracilis*, as well as the British Osmunda 

 regalis and regalis cristata*, are among the most distinct of all 

 known Ferns. Very interesting also are Polystichum munitum 



2 M 2 



Fig. 335.— Ceterach officinarum. 



