ON FERNS. 



fragiHs, Dickieaiia, and montana^ ; a few varieties of the Male 

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

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

 Phegopieris, and cal- 

 careum ; Polypodium 

 vulgar e\ and varie- 

 ties ; several hand- 

 some forms of Poly- 

 sttchiwi, including 

 the Holly Fern, P. 

 Lonckitis ; numerous 

 forms of the common 

 Hartstongue, Scolo- 

 t>eudriiiin znilgare^ ; 

 and Woodsia 

 bella^ ilvensis, 

 obtusa. 



Among the 

 i2in. to 24in. 

 tum\ and A 



gla- 

 and 



Fig. 334.— Asplenium fontanum. 



medium-sized species and varieties, growing from 

 in height we particularly note : Aspidiuni crista- 

 noveboracense ; Dickso?iia punctilobiila ; several 

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

 Fern ; Lastrea intermedia, niarginale, CB??iula, moiitana\^ Thelyp- 

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

 forms of PolysticJmm a?igulare, Scolope?idriiim 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-foemi?ia, such as Howardce, Grajttce, Elworthii, 



plumosian^ seti- 

 gerum, todeoides, 

 &c. ; Lastrea 

 Goldieafia, and 

 several varieties 

 of L. Filix-mas, 

 such as Bollan- 

 dice, B arnesii, 

 gr andiceps, Ln- 

 graviii, li?ieare, 

 &c. ; also Lastrea 

 dilatata and its 

 several crested 

 varieties. The 

 North American 

 Onoclea se?isibilis* 

 and Osiminda cin- 



namomea"^ , interntpta* , gracilis''', as well as the British Osmuiida 

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

 known Ferns. Very interesting also are Polystichiim munituni 



2 M 2 



Fig. 335.— Ceterach officinarum 



