38 
FERNS. 
[Asplenium. 
decurrent, the upper side of each generally auricled, the lower side 
proportionably truncated, so that the midrib does not run through 
the middle of the pinnae. Sori large, transverse, at first linear, then 
oblong, but never confluent. Indusium white or of a pale brown. 
Sit. — Upon maritime rocks or in caves by the sea side, and in one or two 
inland situations. 
Hab. — Eng.: West of Cornwall, Professor Henslow. Teignmouth, Daw- 
lish, &c. Devon (common), Mr. Jones. Marsden Rocks, Durham, Mr. R. B. 
Bowman. Sussex, Mr. Borrer. Above the black rocks at the entrance of the 
Mersey (Cheshire side), Mr. H. C. Watson. Lieut. Phillips, R.N. informed 
Mr. Watson, that he had found it at one of the small towns near Manchester, 
it is believed Ormskirk, which is far from the sea. Isle of Man, Mr. C. Forbes. 
Liverpool (near the Dingle), Mr. Merrick. Still at Hulme Stone Quarry 
(otherwise called Winwick Stone Dclph), near Warrington, where Bolton 
gathered it ( v. Bolt. Fil. loc. cit.J, Mr. W. Wilson. In this place Mr. Shaw, 
of Bollington, many years ago found a curious variety, with a much more di- 
vided frond than is usual, and which remains with him distinct in culture. — 
Wal. : Anglesea, Mr. J. E. Bcnvman. Near the South Stack Light-house, 
Holyhead, Mr. C. C. Babington. Ormeshead, and near Bangor, Mr. W. 
Wilson. — Sco. : Parish of Nigg, Rosshire, Mr. Brichan. Near Port Patrick, 
Wigtons, Dr. Balfour. Moray, Rev. G. Gordon. Isle of Staffa, Mr. J. 
Dovaston. N ear Eyemouth, Benvicks., Rev. A. Baird. Fife and Aberdeensh., 
(common,) Dr. Murray. Isle of Arran, Mr. T. H. Cooper. — Ire. : Sutton 
side of Howth Mountain, Underwood, Killiney Hill, &c. Dr. Osborne. Derri- 
nane, county Kerry, Mr. Kelly. Abundant on the Southern and Western 
coasts, Mr. Mackay. 
Geo. — Barbary, Canary Islands, Spain, St. Helena, West Indies, Islands of 
the Archipelago, &c. There is but little difference between our plant and 
Dr. Hooker’s species Asplenium Obtusatum. 
4.— ASPLENIUM TRICHOMANES. 
COMMON MAIDEN-HAIlt SPLEEN WORT. WALL SPLEENWORT. 
(Plate 3, fig. 4.) 
Ciia. — Frond pinnate, linear. Pinnae subrotund, crenate. Rachis 
black. 
Syn. — Asplenium trichomanes, Linn., Willd. Michx., Woodv., Bolt., Dicks., 
Ehrh., Lightf., Smith, Hook., With., Spreng., Huds. — Asplenium saxa- 
tile, Salisb., Gray. — Asplenium Trichomanoides, Schkr. (not Michx .) — 
Asplenium Melanocaulon, Willd., Pursh. — Trichomanes, Ray, Fuchs., 
Tillands., Bauh., Plum., Sibb., Park. — Phyllitis rotundifolia, Moench. 
Fig. — E. B. 576. — Flo. Lon. 156. — Bolt. 13. — Flo. Dan. 119. — Woodv. 204. 
— Ger. 1146. — Plum. t. B, f. 1. 
Des. — Fronds tufted, linear, pinnate, 2 to 4 inches high, dark 
green, very rigid, quite smooth, with a purplish-black shining rachis, 
channelled in front. Pinnae from 20 to 30 pairs, opposite or alter- 
nate (generally the former), obtuse, crenate, of a round or oval 
form, very distinct from each other all the way up, and sessile, or 
very nearly so. Sori two to six on each pinna, placed transversely, 
very dark coloured, finally confluent, often covering the whole 
under surface. 
