Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/304

286 2. , L. Native. Xerophilous. Scottish type. Area N, D. Range 1, 2.

Not known in Cheviot-land. In Tyneland in Tecket Dene, Dipton Dene, and by the Irthing at Wardrew (F. R!). Cocken Woods near Durham (Rev. J. Symons. F.). In Teesdale in various places near the river, from Falcon Clints, 450 yards, down to Middleton. In the Magnesian Limestone tract in Castle Eden and Hesleden Denes.

1. , Moench. Native. British type. Area C, N, D. Range 1, 2.

Frequent on damp heaths, ascending to 500 yards in Teesdale and on Cheviot.

1. , Presl. Native. British type. Area C, N, D. Range 1.

Not unfrequent in swamps and on the edges of ponds. Warren Mills, Alnmouth, Howick, Blyth, Newcastle Town Moor, by the Wear at Hylton, &c.

1. , Sm. Native. English type. Area N, D. Range 1.

Ponds and stream-sides, frequent in East Durham, rarer in Tyneland, not known in Cheviot-land.

2. , R. Br. Native. British type. Area C, N, D. Range 1, 2.

Common in ponds, slow streams, and swampy places, ascending to 1600 feet in Teesdale, 500 yards in East Allendale.

3. , Fries. Native. English type. Area C, N, D. Range 1.

In similar places to the preceding, but not ascending so high.