Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/187

Rh 3. , D. C. Native. British type. Area C, N, D. Range 1, 2.

Frequent in ponds and ditches, ascending in Teesdale to the Weel, 500 yards.

4. , L. Native. Scottish type. Area C, N, Range 1.

We have seen specimens of the true plant only from Prestwick Carr, 250 feet, where it is very likely now destroyed (B.), and above Powburn near the Breamish (T.).

1. , L. Native. English type. Area C, N, D. Range 1.

Ditches and stream-sides, not unfrequent in the low country.

1. , L. Native. British type. Area N, D. Range 1.

Heathy swamps. Prestwick Carr, Kibblesworth, &c.

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

Pound formerly at Rugley near Alnwick, but not indigenous (R. Embleton). In Tynedale in the Haugh Lane near Hexham (R. Wigham!). Not uncommon in the south-east of Durham about Bishop Auckland, Darlington, Hartlepool, and Stockton.

1. , L. Native. British type. Area C, N, D. Range 1-3.

Frequent in swamps and streamlets, especially amongst the