7. E. obscurum, Schreb. Native. British type. Area C, N, D. Range 1, 2.
Frequent in ditches and swamps, ascending on Cheviot to 550 yards, and nearly as high on the moors at the head of East Allendale. We have not seen the true E. tetragonum within the province.
8. E. anagallidifolium, Lam. Native. Highland type. Area C, D.
On Cheviot near the top of Henhole and Goldscleugh (Dr. F. Douglas. T.). In Teesdale on the moor near the Caldron Snout (Sir W. C. Trevelyan. F!). Probable altitude 500-600 yards.
9. E. alsinifolium, Vill. Native. Highland type. Area C, D.
Abundant in all the high Cheviot sykes. In the Wear district in the streams that issue from the Main Limestone in Welhope, and in the Tees district sparingly on Highfield above Grasshill. Range of altitude 500-850 yards.
2. CIRCAEA., L.
1. C. lutetiana, L. Native. British type. Area C, N, D. Range 1.
Frequent in woods, ascending in North Tynedale to Tecket and Hareshaw Denes, 200 yards. We have not seen the true C. alpina from the province. Winch's specimen thus named is C. lutetiana only, but C. intermedia, Ehrh., was gathered by Mr. Storey near Ryton.
Order 6. HALORAGACEAE.
1. HIPPURIS, L.
1. H. vulgaris, L. Native. British type. Area C, N, D. Range 1.
Ponds and slow streams, not unfrequent. Near Lucker and in Learmouth Bog (T.). Newham Bog (R. Embleton). Ditch above Fleatham Bridge (W. Richardson). In the Reed Water
