ON THE FLORA OF NORTH-WESTERN DONEGAL. 333 



A. erecta, Huds. ; A. angustifolia, Sm. ; A. BabmgtonU, Woods. 

 Aranmore, with the last. Sea-shores, common. 



Polygonum viviparum, L. — Extremely rare. I found two small 

 colonies of this alpine plant with Satmurea alpina at one hundred 

 to fifty feet from the summit of Bulbein Mount, in Innishowen. 

 It has hitherto been recorded in Ireland only from the Benbulben 

 and Glenade Mountains, in Sligo and Leitrim. 



Polygonum, Rail, Bab. — Very rare. Sands between Carrigart 

 and Sheephaven, a couple of plants ; and one plant between Port- 



na-blagh and Dunfanaghy. 



Euphorbia portlandica, L. — Bare, Near Marble Hill; Horn 

 Head, near the house, and near Tramore Strand; on Tramore 



sand hills. 



\K. HeJioscnpia, L. — Increasing to the westward. 



\E. earigua, L. — Very rare. Waste ground near the sea be- 

 tween Aughnish Island and Bamelton ; fields between the Milford 



end of Lough Fern and Lough Keel. 



Callitriche verna, L., var. platycarpa, Kutz. —Aranmore ; road- 

 side ditch between Bunbeg and Gweedore. This form was noticed 

 by Mr. Barrington on Tory Island ; it is probably common. 

 C. hamulata, Kutz.— Gweedore, in the river below the hotel. 

 [Parietaria diffusa, Koch.— I have been unable to rediscover this 

 plant upon Rathmullan Castle, the locality given in my former 

 list, and I fear there has been some mistake.] 



* Salix frag His, L.— Thoroughly established and looking wild by 



the shores of Glen Lough, near Glen. 



*& viminalis, L.— Kindrum and many places in Fanet, where it 

 often appears quite wild ; by the Lennan, &c. F. 



{& Smith iana, Willd.— Frequent in Fanet, looking more like a 



native than the last. F. 



*S. alba, L.— Not unfrequent, but not native. F. 



8. kerbacea, L-— Rare. 1200 to 1620 feet on Bulbem Mount. 

 1800 to 2200 feet on Nunekirk (Errigal ?). • 



Salix Orahami, Borr.— " Among moss on the top of Muckish 

 Mountain/' 1868; D. Moore, * Recent Additions,' page 29. liiis 

 willow, which is probably a hybrid, has not come under my notice 

 On the mountains I have met with no other small willows except 



S. herhacea and S. repens. 



[Populus nigra, L.— Streamside between Bunlmn and Miliord; 

 naturalised, but no doubt introduced.] 



Tarns baccata, L.-Rare as a native. Indigenous at Glenveagh, 

 where thick trunks have often been dug out ot the soil. 



Orekis pyramidal*, L.-Rare and very local Marble Hill. 



GymJZni* campm, B. Br.-Rare and local. Macamish : 



Marble Hill. T*r —Local Old road between Fort 



Stewart and Ramelton. . ^^o^f^T?^f 



H. chlorantha, Bab.-Near Ramelton ; by the lower road to Fort 



IZera ovata, R. Br.-Fort Royal ; near Ramelton ; Macamish ; 

 Ards. 



