Portion of mature Frond — under side. 



ASPLENIUM FOA^TAiS^UM. 



Berin^hardi. Smith. Hooker and Arnott. 



Deakin. Moore. Sowerby. Brown. Sprengel. Link. 



Sadler. Kunze. Presl. 



PLATE XXI. B. VOL. V. 



Asphnium KaUeri, 



tl (C 



Athyrhnn fontanum, 



Athyruim JlaUeri, 

 Aspidiiim for. tan icm , 



Pohjpodium fontanum, 

 " (dpinum, 



E. Beotvx. Speexgel. 

 Sadler. De Candolle. 



EOTK. SaDLEE. De CA^'DOLLE. 



Peesl. Eabingtox. Geay. Pee 

 EoTn. Peesl. Eef. 

 RwAETz. '\Villde:n'ow. 

 ScHXEHE. Smith. 

 Willdexow. 



LiNXiEiJs. Siviiin. Eoltox. 

 Laxaeck. 



A splenmm — Spleen wort. 



- Fontanum — Fountain. 



In the Section Adiantum nigrum of Authors. 



Opinion is divided as to whether Asplenium fontanum is 

 to be regarded as a true British Fern, or whether it is not 

 rather a species that has been accidentally introduced. That it 



