70 ASPLE^:iUM MARINUM. 



side of England, more or less along all our coasts, being 

 abundant in the south-west of England, and in Wales, and 

 only sparingly distributed elsewhere. There are two inland 

 localities where it is found, namely, Newton, near Warrington, 

 in Lancashire, and at Killarney. 



Found in France, Spain, North America, England, Wales, 

 Ireland, Channel Islands, Madeira, TenerifFe, Tangiers, Azores, 

 Canaries, St. Helena, New Holland and New Brunswick, Orkney, 

 Hebrides, and Guernsey. 



Amongst the British localities the following may be enumer- 

 ated: — Yorkshire, Durham, Berwickshire, Lothian, Forfarshire, 

 Fife, Argyleshire, Shiant, (Holy Island,) Harris, Isla, Cantire, 

 Arran, Ailsa, Wigton, Kircudbright, Cumberland, Westmoreland, 

 Lancashire, Cheshire, Somerset, Devon, Cornwall, Hampshire, 

 Wales, Dorset, and Sussex. 



The form of the frond is linear-lanceolate, pinnate, pinnse 

 somewhat ovate-oblong, oblique, serrate on the edges, anterior 

 base truncate and sub-auriculate, the posterior base wedge- 

 shaped. Short petioles; the upper pinnse decurrent, ending in 

 a pinnatifid apex. The veins are branched from a stout mid- 

 vein. Caudex erect, tufted, and densely covered with scales 

 of a dark brown colour; stipes smooth, channeled on the upper 

 side. 



Length of frond varying from six to twelve "inches, some- 

 times three feet long; colour deep green. 



Sori linear, oblique, large and conspicuous, and eventually 

 confluent; indusium at first white, then brownish. 



An evergreen British Fern. 



Mr. Moore mentions the following varieties: — 



1st. — Acutum, (Moore,) more elongated, and tapering to a 

 point at the apex. 



2nd. — Dicliotomum, (Wollaston,) apex forked. 



3rd. — Ramosum, (Wollaston,) branched. 



4th. — Trapeziformc, (Clapham,) pinnae trapcziform. Found at 

 Scarbro'. 



5th. — Crcnatum^ (Moore,) short pinnae. 



6th. — Cuneatum^ (Moore,) pinnae cuneate. Ireland. 



7th. — Microdon, (Moore,) submembranaceous in texture; pinnse 

 undulately lobcd, with a denticulated margin; sori small. Found 

 in Guernsey, by Miss Wilkinson. Mr. Moore thinks that it 



