CYSTOPTERIS TRAGILIS. 



A sp idiu m frag He, 



" trifidum, 



" fragile, var., 



" rhceticum, 



" den fa turn, 



" PontedercB, 

 Cystopteris orientalis, 

 " rlicetica, 



" atomaria, 



" dentata, var., 



" fragilis, var., 



" angustata, 



" nigrescens, 



" dentata, 



" lepto'phylla, 



" reiusa. 



** PontedercB, 



" CMlensis, 



Athyrium fragile, 



*' fumarioides, 



" dentatum, 



Cyathea fragilis, 

 " angustata, 

 " cynapifolia, 

 " anthriscifolia, 

 " fragilis, var., 

 " fragilis, var. angustata, 

 " regia, 

 " dentata, 

 Oystea fragilis, 

 " regia, 

 " aiigustata, 

 " dentata, 

 Cyclopteris fragilis, 



" fragilis, var. rlicetica, 



" dentata. 



SWAETZ. SCHKUHE. KaULFUSS. 



Maetens and G-alleotti. 



SwAETZ. 



WiLLDENOW. 



WiLLDENOW. 



SWAETZ. WiLLDENOW. 



WiLLDENOW. 



Desvaux. 



Line. 



Peesl. 



HOOKEE. 



Moose. 



Link. 



Hookee. 



HoOKEE. SOWEEBY. LiNK. 



J. E. Smith. 



Peesl. 



Decaisne. 



EUNZE. LlEBMANN. 



Link. 



Fee. 



Sadlee. 



Peesl. 



Geay. 



J. E. Smith. Eoth. 



J. E. Smith. 



Eoth. 



E-OTH. 



J. E. Smith. 



Link. 



Eoth. 



J. E. Smith. 



J. E. Smith. 



J. E. Smith. 



J. E. Smith. 



J". E. Smith. 



Geay. 



Geay. 



Geay. 



Cystopteris — Bladder Fern. 



Fragilis — Bri t tl e . 



The Brittle Bladder Fern, as it is commonly called, is an 

 abundant species in Great Britain, and well worthy of 

 cultivation. 



