126 WHERE TO FIND FERNS. 



narvon, Clogwyn-y-Garnedd, Clogwyn-du-Yrarddu, Cwm 

 Idwal, Glyder Vawr, Glyn-y-Cwm, and Twll-du ; in the 

 county of Glamorgan, Cilhepste Waterfall (Pont Nedd 

 Vechan), Darran-yr-Ogof, Merthyr Tydfil, and Ystrad- 

 gunlais ; in the county of Merioneth, Cader Idris. In 

 Scotland, in the counties of Aberdeen, Argyle, Ayr, 

 Clackmannan, Dumbarton, Dumfries, Edinburgh, Elgin, 

 Fife, Forfar, Inverness, Kinross, Lanark, Linlithgow, 

 Nairn, Perth, Ross, Stirling, and Sutherland. The 

 following are some of the localities in those counties : 

 in Argyleshire, Dunoon ; in the county of Dumfries, 

 Mare's-tail ; in Forfarshire, Canlochen, Clova ; in Lan- 

 arkshire, falls of the Clyde ; in the county of Nairn, 

 Cawdor Woods ; in Perthshire, Ben Chonzie (Crieff), 

 Ben Lawers, Ben Voirlich, Blair Athol, and Drummond 

 Hill ; in Sutherlandshire, Assynt ; also in the Shetland 

 Isles and the Isle of Mull. In Ireland, in the counties 

 of Cork, Donegal, Killarney, Kerry, and Sligo. Sub- 

 joined are the parts of those counties : in Cork, Bandon ; 

 in Donegal, Lough Eask ; in Kerry, Tork Mountains ; 

 and in Sligo, Ben Bulben. It occurs at various alti- 

 tudes up to two thousand five hundred feet above the 

 sea-level. 



XLV. THE COMMON MAIDENHAIR SPLEENWORT. 



Aspknium trichomanes. 

 (Plate XIV., Figs. 2 and 3, page 75.) 



LENGTH OF FROND. Two to eighteen inches, the 

 maximum length being very exceptional. 



GENERAL DESCRIPTION. Roots fibrous, long, abun- 

 dant, wiry. Rooistock somewhat large for the size of the 

 plant, tufted. Fronds evergreen, produced in numerous 



