Asplenium .] 
FERNS. 
51 
Berwickshire, Rev. A. Baird. Frequent on the whole line of the Berwickshire 
coast, Dr. G. Johnston. Fifeshire and Aberdeenshire (common), Dr. Murray. 
Isle of Arran, Mr. T. H. Cooper . — Ire.: Sutton side of Howth Mountain, Under- 
wood, Killiney Hill, &c., Dr. Osborne. Derrinane, county Kerry, Mr. Kelly. 
Abundant on the southern and western coasts, Mr. Mac/cay. 
Geo. — Barbary, Canary Islands, Spain, )5t. Helena, West Indies, Islands of the 
Archipelago, &e. There is but little difference between our plant and Dr. Hooker’s 
species Asplenium obtusatum. 
5.— ASPLENIUM TRICHOMANES. 
COMMON MAIDEN-HAIR SPLEENWORT. WALL SPLEENWORT. 
(Plate IV, fig. 5.) 
Cha. — Leaf linear, pinnate. Pinnae subrotund, crenate. Leaf- 
stalk black. 
Syn. — Asplenium Trichomanes, Linn., Willd., Mickx., Woodv., Bolt., Dicks., 
Ehrh., Liyhtf., Smith, Hook , With., Spreny., Huds. — Asplenium saxatile, 
Salisb., Gray. — Asplenium tricliomanoides, Schkr. ( not Michx.) — Asple- 
nium melanocaulon, IVilld., Pursh. — Trichomanes, Ray, Fuchs., Tillands., 
Bauh., Plum., Park. — Phvllitis rotundifolia, Moench., Newm. 
Fig. — E. B. 576. — Flo. Lon. 156. — Bolt. 13. — Flo. Dan. 119. — Woodv. 201. — 
Ger. 1146. — Plum. t. n.f. 1. — Newm. p. 219 (1854). 
Des. — Leaves tufted, linear, pinnate, 2 to 4 inches high, dark 
green, very rigid, quite smooth, with a purplish-black shining stalk, 
channeled in front. Pinnae from twenty to thirty pairs, opposite or 
alternate (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. 
II ab. — Common on rocks, old walls, &c.,in most part % of the United Kingdom; 
not only on the main land, but the Isles of Anglesea, Man, M ight, Sheppy, and the 
Channel Isles, yet by no means frequent in the N. and N.-E. of Scotland. 
Geo. — Throughout Europe. In Jamaica. In Japan and other parts of Asia. 
Canada, Pennsylvania, and high mountains of Carolina. 
6.— ASPLENIUM VIRIDE. 
GREEN MAIDEN-HAIR SPLEENWORT. GREEN-RIBBED SPLEENWORT. 
(Plate IV, fig. 6.) 
Ciia. —Leaf liuear, pinnate. Pinnae roundish-deltoid, crenate. 
Leaf-stalk green. 
Syn. — A splenium viride, Huds., fVilld., Roth., Dicks., Ehrh., Bolt., Smith, 
Hook., IVitli., Spreny., Galp., Liyhtf., Gray, Newm. 
Fig. — E. B. 2257. — Bolt. 14. — Flo. Dan. 1829. — Pluk. Phy. 89,/. 6. — Newm. 
243 (1854). 
I)es.— Leaves numerous, pinnate, linear, from 3 to 6 inches high, 
of a very light green colour. Pinnae petioled, alternate, the upper 
