Plate 25. 
Cystopteris Montana, Bemh. 
Mountain Bladder-Fern . 
Cystopteris montana; caudex slender, long, creeping, scaly in the younger 
portions; stipites distant, slender, scaly chiefly below, with lax, ovate, acu¬ 
minated scales; fronds four to five inches long, triangular, membranaceous, 
flaccid, tripinnate; pinnae and pinnules spreading; ultimate pinnules ovate 
or oblong, inciso-dentate or generally deeply pinnatifid ; lobes or segments 
toothed chiefly at the apex; rachises with a very narrow wing; involucres 
thin, membranaceous, broad ovate, cucullate, more or less incised at the 
margin, towards the apex. 
Cystopteris montana. Bemh. in ScJirad . Neu. Journ. Bot. v. 1. P. II. p. 26. 
Link , Hurt. Beg. Berol. v. 2. p. 231. Presl, Tent. Pterid. p. 93. Hook. 
Sp. Pit. v. 1 . p. 200. Hook, and Am. Brit. PI. ed. 8 . p. 588. Moore , 
Brit. Perns , Nat. Print, t. 46 C. Hook. PI. Bor. Am. v. 2 . p. 260. Ledeb. 
PI. Boss. v. 4. p. 517. 
Aspidium montanum. Sw. in Schrad. Journ. Bot. 1800, v. 2. p. 42. Syn. Pit. 
p. 61. Schkh. Fit. t. 63. Willd. Sp. PI. v. 5 . p. 286. 
Cyathea montana. Sm. Act. Taur. v. 5 . p. 417. 
Polypodium montanum. Lam. PI. Fr. v. 1 . p. 23. 
Cystopteris myrrhidifolia. Newm. Brit. Ferns, ed. 3 . p. 97- 
Polypodium myrrhidifolium. Vill. Belph. v. 3 . p. 851. t. 53. 
Cystopteris Allioni. Newm. in App. to Phytol. 1851, _p. xxv. 
Hah. Scotland; discovered in L836, on Ben Lawers, by Mr. W. Wilson. We 
have specimens from Mr. Borrer, gathered in the mountains of Glen Lochay, 
still in the Breadalbane range, where it was detected by Messrs . Gourlie 
and Adamson; Glen Islay, Clova, Porfarshire, Jas. Backhouse. Mr. Moore 
mentions it as having been found in Banffshire, on the authority of ‘ The 
Naturalist,’ but with no station or name of author, or any particular loca¬ 
lity. Dr. Dickie, in his c Botanist’s Guide to Aberdeen and Kincardine ’ 
(1860), gives as a new station, “ Bocks at the head of Glen Callater, Mr. 
Croall this is in Aberdeenshire. 
This is a very elegant Fern, and may be reckoned among the 
rarest of the British species, only four particular stations having 
been recorded for it. The form of the frond, its triangular out¬ 
line or circumscription, together with the creeping filiform cau¬ 
dex, and the distantly placed stipites, at once distinguish it from 
the two preceding, C. fragilis and alpina. On the continent 
of Europe it seems much more abundant, extending from Lap- 
land and Norway in the north, to the Alps of the south of 
