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Cynoglossum officinale.

In the annotated list which follows, the lower limit of a number of mountain species will be also found; these are generally high, on account of the absence of sea-cliffs and rough ground at low elevations for instance, Meconopsis cambrica, Epilobium angustifolium, Sedum rhodiola, and Empetrum nigrum, which in county Antrim descend to within a few feet of sea-level, in the Mournes find their limit at 950, 1250, 1000, and 1900 feet respectively.

In conclusion, we have to thankfully acknowledge kind assistance rendered by Mr. F. J. Hanbury, F.L.S., who, as already stated, examined our series of Hieracia; by Professor Babington, F.R.S., who determined the Rubi; by Mr. James Groves, F.L.S., who named our few Characea; and by Mr. Arthur Bennett, F.L.S., who favoured us with his critical judgment on a number of doubtful points.

LIST OF SPECIES.

RANUNCULACEÆ.

Thalictrum minus, Linn. Abundant on sandhills at Newcastle, close to the base of Slieve Donard. Var. B. montanum, Wallr., 3001500 feet; rare. Rocks by Kilbroney River; slate rocks on east side of Pigeon Rock Mountain; cliff near the cave on Cove Mountain; by a waterfall on west side of Thomas Mountain, above the ice-house. Not seen on west side of Slieve Bingian (Templeton, 1808; Flor. N.E.I.).

Anemone nemorosa, Linn., 0-1400. At its upper limit flowers in July and August.

Ranunculus peltatus, Fries. Pools on the low ground, rare; Greencastle; Lough Island Reavy; Lisnacree. R. hederaceus, Linn., 0-1000. R. sceleratus, Linn. Salt marshes at Warrenpoint, Mill Bay, and Newcastle. R. flammula, Linn., 0-1700. Var. pseudo-reptans. This prostrate form occurs on the west margin of a mill-dam south-west of Hilltown. R. ficaria, Linn. R. auricomus, Linn. Wooded shore below Rostrevor Quay; very rare. R. acris, Linn., 0-2450. Var. tomophyllus, Jordan. Rocky banks of Moygannon River, and probably common in the district. R. repens, Linn., 1300. R. bulbosus, Linn.

Caltha palustris, Linn.

(Aquilegia vulgaris, Linn. Margin of Shimna River, north-west of Newcastle. Apparently well established.)

NYMPHEACEÆ.

Castalia alba (Linn.), Salisb. Altnadua Lake, south-west of Castlewellan; very rare.

Nymphæa lutea, Linn. With the preceding species in Altnadua Lake; and in a lake N.W. of Milltown, near Warrenpoint.

PAPAVERACEÆ.

Papaver dubium, Linn. (aggregate). Not common. (P. somniferum, Linn. Abundant in a field by the road near Wood House, south of Rostrevor.)

Meconopsis cambrica, Vig., 950-1300. Along the banks of the stream above Rostrevor Waterworks; abundant in one spot; known here for almost 100 years.

Glaucium flavum, Crantz. Sandy and gravelly shores. At Mill Bay,

in Carlingford Lough, and abundant in places from Greencastle Point to Nicholson's Point, and further north at Leestone and Glassdrumman Port.

Chelidonium majus, Linn. Roadsides; sparingly at several spots near Rostrevor and Killowen; and about a mile north of Annalong.

FUMARIACEÆ.

Var.

Fumaria capreolata, Linn. Var. pallidiflora, Jordan. Borders of fields about Warrenpoint, Killowen, Kilkeel, and Newcastle. confusa, Jordan. Frequent.

CRUCIFERÆ.

Nasturtium officinale, R. Brown. N. palustre (Willd.), De Candolle. Wood at Rostrevor, and by lake at Narrow-water; rare.

Barbarea vulgaris, R. Brown. B. intermedia, Boreau. Sparingly in Moygannon Glen, and in cultivated fields at Rostrevor, Killowen, and Newcastle.

Cardamine flexuosa, Withering. C. hirsuta, Linn. C. pratensis, Linn.,

1150.

Sisymbrium officinale, Linn. S. alliaria, Linn. Seashore south of Rostrevor; very rare.

Brassica campestris, Linn.

(Sinapis alba, Linn. Abundant in many fields about Killowen; apparently well naturalized.) S. arvensis, Linn.

Draba verna, Linn., 0-1200. Bare rocks near summit of Spelga, and on sandhills at Newcastle.

Cochlearia officinalis, Linn.

C. danica, Linn. Plentiful by shores of Carlingford Lough, from Warrenpoint to Greencastle, and sparingly at Annalong.

Thlaspi arvense, Linn. Abundant in cultivated fields at Killowen, and thence for more than a mile eastward to Seafield. Not seen in Templeton's station south of Newcastle (Flor. N.E.I.)

Lepidium campestre (Linn.), Brown. Sparingly in fields at Killowen. No previous reliable record for the county. L. smithii (Linn.), Hooker.

Capsella bursa-pastoris (Linn.), Moench.

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