AMESIUM SEPTENTRIONALE. 



265 



FORKED SPLEENWORT, {natural size). 



Genus. — Amesium. (See page 253). 



Species. — Septenteionale. Stipes and frond of equal 

 length, their separation indistinct : frond linear, narrow, gra- 

 dually diminishing into the stipes, sometimes forked ; apices 

 of divisions bifid : clusters of capsules in two, three, or four 

 long Imear series. 



Sp0nptts, fyum, fe. 



Achrostichum septentrionale, Linn. Sip. PL 1524 ; Light/. Fl. 

 Scot. 656 ; Huds. Fl. Ang. 450 ; Bolt. Fil. Brit. 12, t. 8; 

 With. Arr. 764. 

 Asplenium septentrionale, Sm. E. F. iv. 308, E. B. 1017 ; 

 Franc, ii; Newm. N. A. 27, F. 2()i) ; Hook, and Am. 

 572; Bab. 41; Moore, 170. 

 Amesium septentrionale, Neivm. F. 10 ; Phytol. App. vii. 

 The figures of a fern so very marked are of necessity charac- 

 teristic : I scarcely know one by which the species may not 

 instantly be known. 



The specific name of septentrionale appears to have obtained 

 the concurrence of all botanists, but the genus has been a 



2 M 



