188 FILICES. 



common, ascending to 1200 feet in Derry mountains. 



CETERACB Willdenow. 



1. C. officlnarum {Linn.) Willd. Scaly Hart's -ton que. 

 Old walls — rare. 



Dovm — Rostrevor, Bryansford, and Donagliadee ; Flor. TJlst. North of 

 Newry on a wall at Treemount one mile from Sheepbridge ; 

 Rev. Geo. Robinson. Old wall near Newcastle ; W. H. 

 Phillips. Wall at Turner's Hill near Ne-svTy ; C. Dickson. 

 Eademon, sparingly ; R.Ll.P. Hillsborough park wall ; Rev. 

 C. H. Waddell. 



Antrim — Wall of Belfast Deerpark (still there), and on the wall of the old 

 deerpark at Galgorm near Ballymena ; Templeton, 1801. 

 WaUs at Castle Dobbs ; W. H. FhilUps. Walls of a bridge 

 over the Clogh water northwest of Broughshane ; Rev. H. W. 

 Lett, Proc. B.X.F.C., 1885-6. Apiy. Abundant on walls of 

 old bridge a half mile east of Koughfort ; B.N.F.C., 1878. 

 Parkmill bridge, and on walls in Glenarm Deerpark ; R.Ll.P. 

 Very sparingly on an old wall at Muckamore, and at Green- 

 mount south of Antrim ; F. Redmond. 

 It seems remarkable that we have not any note of the occurrence of 

 this fern in Derry. 



BZiECBlO-nxvi Linn. 



1. B. spicant Roth. (B. boreale Sw.). Hard Fern. 

 Woods, banks, stony moors, and mountain slopes— abundant through- 

 out the district. Ascends to 1500 feet in the mountains. 



PTERIS Linn. Brakes. 



1. P. aquilina Linn. Bracken. 



Sandy seashores, thickets, and on the lower slopes of mountains — very 

 common. 



HYZVIz:ia-OPHYI.Z.UIVI Smith. Filmy Fern. 



1. H. tunbrldgense {Linn.) Sm. 



On rocks in damp places — very rare- 

 Down — On Slieve Donard above Donard Lodge ; Flor. Ulst, 

 Antrim — Glendun ; Rev. S. A. Brenan, 1884. 



