576 Proceedings of the Royal Irish Academy. 



Orchis pyramidalis, Linn. Sand-hills north-west of Ardara, and 

 betvreen Magheragh and Slieve-a-Tooey ; sand-hills at Greencastle, 

 Innishowen — "W. E. Hart ; meadows by the river a little below 



Cliff. 



Sdbenaria alhida, E. Br. Cliff, near the river below the house ; on 

 slopes of hill crossing from Templecarn to Ballyshannon-road. — 

 Miss Young. 



Listera cordata, E. Br. Slieve-a-Tooey. 



Efii^adis palmtris, Linn. "Wet, sandy ground near a shallow lake 

 below the "Standing Stone" in Boylagh, north-west of Ardara. 



Neottia nidus avis, Bach. Brown Hall, where my attention was 

 called to it by Major Hamilton. The second locality in the 

 county. 



'^''Iris fostidissima, Linn. Abundantly established near the house at 

 Brown Hall. 



Eriocaulon septangulare, "With. Kiltooris Lough, near Ardara, in the 

 barony of Boylagh. This locality extends line marking range in 

 Cylele Hihernica map to the southward. 



Juncus ohtusijlorus, Ehr. By a small pond in limestone rocky ground 

 near Ballyshannon, on the south side of the river Erne ; lakes on 

 limestone between Brown Hall and Cliff. 



Lu%ula pilosa, "Willd. "Woods at Cliff. 



Sparyanum simplex, Huds. Cloonea Lake, by the coast north-west 

 of Ardara. The "floating state, often named S. afflnis^' ("W. H. 

 Beeby), occurred in the river between Ardara and Glenties. 

 These have been submitted to Mr. Arthur Bennett. 



S. nutans, Linn, var. alpinum. Lakes on Aghla, above Einntown, 

 at 1800 feet. Named by Mr. "W. H. Beeby. A common moun- 

 tain form in north and west. 



>S'. minimum, Eries. Kiltooris Lake, near Ardara, and Brockagh 

 Lake, Killybegs. 



Potamogeton heterophyllus, Schreb. Kiltooris Lake, near Ardara. — 

 A. Bennett. 



P. prcelonyus, "Wulf . At the southern end of Lough Einn on the 

 south margin of the lake, plentiful. This species has been deter- 

 mined by Mr. Arthur Bennett. It is a very rare plant in Ireland, 

 but has been found in Mayo and in the north-east, so was to be 

 expected in Donegal. 



