Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/259

7. P. minus Polygonum minus, Huds. Native. English type. Area D. Range 1.

In Morden Carr, gathered originally by W. Backhouse, and recently by the Rev. A. M. Norman.

8. P. aviculare Polygonum aviculare, L. Native. British type. Area C, N, D. Range 1, 2.

Everywhere common in waste ground, ascending to 600 yards in Kilhope, Wear district. For a description of the varieties known in the district reference must be made to a paper by the Rev. A. M. Norman in the 5th vol. of the Transactions, p. 140.

9. P. Raii Polygonum raii, Bab. Native. Maritime. British type. Area C, N, D.

Amongst the coast links at Alnmouth (T.) ; between Meggy's Burn and Seaton Sluice (B.); and near Seaton Carew (T. J. Foggitt!).

10. P. convolvulus Polygonum convolvulus, L. Colonist. British type. Area C, N, D. Range 1.

Frequent in cultivated fields, ascending to 250 yards in Coquetdale, 300 yards in Weardale.

2. RUMEX, L.

1. R. hydrolapathum Rumex hydrolapathum, L. Native. English type. Area D. Range 1.

Ponds and ditches, not uncommon in the south-east of Durham. Butterby Marsh, Morden Carr, and about the Skerne and the streamlets near Stockton.

2. R. crispus Rumex crispus, L. Native. British type. Area C, N, D. Range 1-3.

Everywhere common by road and stream-sides, ascending to 550 yards in East Allendale, 650 yards in Harwood Dale.

3. R. aquaticus Rumex aquaticus, L. Native. Scottish type. Area C, N, D. Range 1, 2.

In Coquetdale in a field by the side of the high-road just west