46 
FERNS. 
[Asplenium. 
4 . — ASPLENIUM MARINUM. 
SEA SPLEENWORT. 
(Plate 4, fig. 4.) 
Cha. — F rond oblong, pinnate. Pinnae obtuse, serrate, slightly 
auricled above. Rachis winged. 
Syn. — Asplenium marinum, Linn., Willd., Huds., Bolt., Dicks., Lightf., 
With., Galp., Smith, Hook, Mack., Gray, Newm., 8fC. 
Fig. — E. B. 392.— Lob. Ic. 814. — FI. Lon. 60 .—Bolt. 15.— Ger. 1143— 
Newm. 75. 
Des. — Root very thickly tufted, black, with stout fibres. Frond 
6 to 9 inches high, pinnate, irregularly oblong, obtuse. Rachis 
winged all the way down, black, shining, smooth, without pinnae at 
the lower part, above bearing about twenty on each side, mostly 
alternate, obtuse, about an inch long in the middle of the frond, 
running at the base into the wing of the rachis, therefore slightly 
decurrent ; the upper side of each generally auricled, the lower side 
proportionably truncated. Sori large, transverse, at first linear, then 
oblong, but never confluent. Indusium white or of a pale brown. 
Sit. — U pon maritime rocks, or in caves by the sea side, and in one or two 
inland situations. 
Hab. — Eng : Marsden Rocks, Durham, Mr. R. B. Bowman. Isle of Man, 
Mr. Forhes. Above the Black Rocks at the entrance of the Mersey, (Cheshire 
side,) Mr. H. C. Watson. Liverpool, (near the Dingle,) Mr. Merrick. 
Still at Hulme Stone Quarry, (otherwise called Winwick Stone Delph,) near 
Warrington, where Bolton gathered it, (v. Bolt. Fil. loc. cit.,) Mr. W. Wilson. 
In this place Mr. Shaw, of Bollington, many years ago found a curious variety, 
with a much more divided frond than is usual, and which remains with him distinct 
in culture. Sussex, Mr. Borrer. West of Cornwall, Professor Henslow. — 
Wal. : Anglesea, Mr. J. E. Bowman. Near the South Stack Light-house, 
Holyhead, Mr. C. C. Bahington. Ormeshead, and near Bangor, Mr. W. Wilson. — 
Sco. : Parish of Nigg, Rosshire, Mr. Brichan. Near Port Patrick, Wigtonshire, 
Dr. Balfour. Moray, Rev. G. Gordon. Isle of Staffa, Mr. J. Dovaston. Near 
Eyemouth, Berwicks., Rev. A. Baird. Frequent on the whole line of the Ber- 
wickshire coast, Dr. G. Johnston. 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. Derrinane, 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. 
5.— ASPLENIUM TRICIIOMANES. 
COMMON MAIDEN-HAIR SPLEENWORT. WALL SPLEENWORT. 
(Plate 4, fig. 5.) 
Cha. — Frond pinnate, linear. Pinnae subrotund, crenatc. Rachis 
black. 
