ON THE FLORA OF NORTH-WESTERN DONEGAL. 149 



Bromiis asper, L. Local. Little Bins. F. 



B. sterilis, L. Eare. Near Carrowkeel. F. 



B. mollis, L. Frequent. F. 



Br achy podium syhaticum, E. et S. Common. F. 



Triticum repens, L. Frequent. F. 



T. junceum, L. Dunree ; Doaghmore Strand, near Glinsk. F 



Elymus arenarius, L. Aranmore. Prof. E. Murphy. 



Loliiun perenne, L. Frequent. F. 



ACOTYLEDONES. 



KquisetacecE. 

 Equisetum arvense, L. Common. F. 

 E. sylvaticum, L. Frequent. Glenalla, &c. F. 

 E. umhrosum, Willd. Yery rare. Between Dunfanaghy and 



Gweedore ; Flur. Ulst, 

 E. limosum, L. Frequent. F. 

 E. palustrc, L. Local. Loughs Fallaneas, Columbkill, and 



Kinnalough. F. 

 E. hyemale, L. Eare. Little Bins, Fanet. F. 



Filices. 

 Polypodium vulgare, L. Common. F. 

 Asplenium Adiantimi-niyrum, L. Common. F. 

 A. Trichomanes, L. Frequent. F. 

 A. viride, Huds. Very rare. Near the southern extremity of 



the large lake on Lough Salt Mountain. 

 A. marinum, L. Common along the sea-coast. F. 

 A. Biita-inuraria, h. Extremely rare. One luxuriant specimen, 



gathered by Mrs. Montgomery near Drumalla, is the only 



instance I have known of its growth in this part of Donegal. 

 Scolopendriiim officinale, L. Frequent. F. 

 Ceterach offcinarum, Willd. Very rare. Bridge over the 



Lennan between Lough Fern and Eamelton ; Eev. L. 



O'Brien. 

 Blechnum horealc, Sw. Common. F. 

 Pteris aquiUna, Sw. Common. F. 

 Hyme}wphyllum tmihrigense, Sm. Eare and very local ; Glen- 



veagh by the lake-side, west of the Castle ; and in 



the " Backwood," Carradoan. 

 H. Wilsoni, Hook. Local. Glenveagh ; Poisoned Glen ; 



Bunlinn Backwood, Carradoan ; to the summit of Slieve 



Snacht West (2200 feet) ; and near the top of Errigal. 

 Osinunda reyalis, L. Frequent. F. 

 Botrychiuni Lunaria, Sw. Local. Carrablagh ; Seven Arches, 



Kindrum, Between Waters, and elsewhere in Fanet. F. 

 Ophwylossum vuhjatum, L. Local. Carrablagh; Leenane ; 



Glinsk ; Horn Head, &c. F. 

 0. hisitaniciun, L. In August, 1878, I found a few plants of this 



fern amongst short grass near the margin of a cliff on the 



northern side of Horn Head. The fronds were fertile at 



