FILICES. 189 



2. B. unllaterale Willd. (H. Wilsoni Hook.). 



Amongst moss in damp woods, and on wet rocks — rare, ascends to 2000 



feet in Derry. 



Down — On the margin of Cove Lough southwest of Slieve Donard, also 

 on rocks on the north side of Diamond Mountain, and by the 

 waterfall in ToUymore Park ; TempUton, 1796.* Slieve 

 Lamagan, and between Lamagan and Commedagh ; R.Ll.P, 



Antrim — On a rock in Colin Glen, and by the river in GlenarifPe ; Tem- 

 pleton, 1809. Amongst stones below the cliffs of the Cave 

 Hill ; Hyndman, 1838, and subsequently FhiUips. Slieve- 

 nanee ; Fhr. tflst. Glenarm Deei-j^ark ; W. Darracjh. 

 Sallagh Braes ; S.A.S. Above the falls in Carulough River ; 

 E.Ll.P. Glendun; Eev. S. A. Brenan. 



Derry — Not general, but occurs occasionally on rocks from Benbradagh 

 to Clontygearagh, and also on the top of Dart ; D.M. 

 * Noted as H. tunbrigense, H. unilaterale not having been distinguished 



at that time. 



OSMUTTBA Linn. Floweking Fern. 



1. O. regalls Linn. Royal Fern. 



By streams, and in boggy places — very rare, and now extinct in some 



of the old stations. 



Down — Donard's cave in Moume Mountains, and in Kirkiston bog, also 

 in a bog beside Greyabbey, and margin of a lake southwest of 

 Castlewellan ; Templeton, 1793. Side of the river above 

 Newcastle ; Flor. TJlst. In a bog east of Kirkcubbin ; C. S. 

 Brett. Sparingly by the side of the river at Bloodybridge 

 south of Newcastle, and in an old cave near the same place ; 

 C. Dickson. In the long vaUey above Newcastle ; T.H.C. 

 Sea cliffs south of Newcastle ; R.Ll.P. By the Kilbroney 

 River ; Turretin. By a stream near KilKnchy ; Jas. fVilson. 



Antrim — Shores of Lough Neagh near Shane's Castle ; Flor. List, (not 

 found there now). Formerly grew in a bog near Glarryford ; 

 Froc. B.N.F.C., 1885-6, App. 



Derry — West side of the Bann a little below Poi-tglenone, and margin of 

 one of the small lakes above Kilrea ; D.M. 



BOTRYCHZUM Swartz. 



1. B. lunarla {Linn.) Sw. Moonwort. 



Short pastures in damp moory ground — not common. Ranges from sea 

 level to 1200 feet. 



Down — Scrabo HiU ; Templeton, 1806. Scanty and stunted on sandhills 

 near Newcastle station, but abundant, and luxuriant on heatli 



