588 cvm. polypodiacejE. \_Asplenium. 
figure) present a different appearance from the other forms of this 
species; but when cultivated the pinnae become deeply pinnatifid and 
almost pinnate, and Mr. Moore (Brit. Ferns, Nat. pr.) mentions an 
intermediate variety from the coast of Fife. 
2. C. *alpina Desv. ( laciniate B.) ; fronds lanceolate bipin- 
nate, pinnules ovate- oblong deeply pinnatifid or pinnate spread- 
ing the segments rather distant obtuse broadly linear and 
entire or cuneate with 2-3 blunt erect teeth, rachis winged. 
Aspidium Sw. : Cystea regia Sm. JE. FI. (excl. the alpine 
stations) : Newm. p. 157. Cystopteris Presl. Cyathea incisa 
Sm.: E. B. t. 163. 
On an old garden wall at Low Leyton, Essex ; once plentiful, but 
now very scarce. If. 6. — Certainly the Aspidium alpinum of Swartz. 
3. C. montuna Link ( Mountain B.) ; fronds triangular short 
on long slender stipes tripinnate, pinnte and pinnules spread- 
ing, ultimate pinnules narrow oblong inciso-dentate or pinnati- 
fid, the segments toothed at the apex, rachis not winged, 
involucre roundish very obtuse. Newm. p. 159. C. myrrhidi- 
folia Newm. ed. 3, p. 97. Aspidium montanum Sw. 
Breadalbane and Clova mountains. Ben Lawers ; Meal Cuachlar; 
Glen Isla. If. 8. — Well distinguished by its triangular, very com- 
pound fronds, and long stipes. 
[ Onoclea sensibilis L.,a North- American fern, has become naturalized 
in one spot near Warrington, and in the north of Yorkshire.] 
7. Asplenium Linn. Spleenwort. (Tab. X. f. 2.) 
Sori oblong or linear. Involucres of the same shape or ob- 
long-reniform, arising from the lateral veins and opening on one 
side longitudinally towards the central nerve or midrib. — 
Veins forked in the British species. — Name: a, nut , and 
the spleen ; the plant having been supposed to destroy the spleen , 
if used in excess. 
* Involucre linear or oblong, straight, entire or erose at the margin. 
Asplenium. 
•(■ Ultimate divisions of the frond without a midvein. 
1. A. septentriondle Hull ( forked S.) ; fronds simple and 
linear, or 2 — 3-cleft with linear-lanceolate acutely laciniate- 
toothed pinnae, sori very long, involucre quite entire. E. B. 
t. 1017 : Newm. p. 269. Acrostichum L. Amesium Newm. 
ed. 3, p. 265. 
Clefts of rocks and on walls in mountainous parts. Near Oare, on 
the borders of Devon and Somerset ; Ingleborough, Yorkshire ; Kyloe 
Crags, Northumberland; Ambleside, Westmoreland; Cumberland, 
in various places. Caernarvonshire, in several places. Near Kelso 
and Minto Craigs, Roxburghshire ; Arthur’s-seat and Blackford Hill, 
