Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/217

21. BIDENS, L.

1. B. cernua Bidens cernua, L. Native. English type. Area N, D. Range 1.

Ditches, rare. In Tyneland at Prestwick Carr, and gathered by John Thompson near Crowhall Mill. In Durham at Norton (Miss Wharton), and near Birtley and Chester-le-Street (F.).

2. B. tripartita Bidens tripartita, L. Native. English type. Area C, N, D. Range 1.

In similar places to the preceding, more frequent. Chatton, Harnham, Corbridge, Prestwick Carr, Lamesley, Chester-le-Street, Durham, Bradbury, Morden Carr, &c.

22. EUPATORIUM, L.

1. E. cannabinum Eupatorium cannabinum, L. Native. British type. Area C, N, D. Range 1.

Frequent in ditches and swamps and by river-sides in the low country, ascending to 200 yards in Teesdale.

23. TANACETUM, L.

1. T. vulgare Tanacetum vulgare, L. Native. British type. Area C, N, D. Range 1.

Frequent in the low country by stream-sides and in waste ground.

24. ARTEMISIA, L.

1. A. vulgare Artemisia vulgare, L. Native. Maritime. English type. Area C, N, D. Range 1.

Frequent along the coast-line in the salt marshes and by the stream-sides, both the type and var. gattica.

2. A. absinthium Artemisia absinthium, L. Denizen. English type. Area C, N, D. Range 1, 2.

One of the commonest ballast plants, and occurring occasionally inland near villages and farm-houses. Seen in Teesdale at 400 yards.