On rocks on the coast near Berwick.— Dr. G. Johnston. Near Whitburn, D.
2. A. coccincum.
Gr. Fl. Eds. 307; Conferva coccinea, Dillwyn, t. 36; Eng. Bot. 1055.
On rocks and stones on the coast.
232. POLYSIPHONIA.
1. P. fastigiata.
Gr. Fl. Eds. 308; Berwick Flora, ii. 235; Conferva polymorpha, Dillwyn, t. 44; Eng. Bot. 1764.
On the stems of large Fuci, abundant.
2. P. fucoides.
Gr. Fl. Eds. 308; Berwick Flora, ii. 236; Conferva fucoides, Dillwyn, t. 75; Eng. Bot. 1743; C. nigrescens, Eng. Bot. 1717.
On stones and rocks on the coast, frequent.
3. P. Brodiaei.
Spreng. Syst. Veg. iv. 349; Berwick Flora, ii. 237; Conferva Brodioei, Eng. Bot. 2589; Dillwyn, t. 107; C. atro-rubesceus, Dillwyn, t. 70.
In Berwick Bay, N. — Dr. G. Johnston. On rocks on the coast, and on Algae, N. and D.
4. P. urceolata.
Gr. Fl. Eds. 309; Berwick Flora, ii. 238; Conferva urceolata, Eng. Bot. 2365; Dillwyn, 82, t. G.
On rocks, stones, and large Fuci, N. and D. Near Berwick-upon-Tweed, N. — Dr. G. Johnston.
5. P. nigrescens.
Berwick Flora, ii. 236; Conferva nigrescens, Dillwyn, Syn. p. 81.
On the coast near Berwick, rare. — Dr. G. Johnston.
6. P. parasitica.
Gr. Fl. Eds. 309; Conferva parasitica, Eng. Bot. 1429; Dillwyn, 87.
On the stems of Algse, rare.
7. P. stricta.
Gr. Fl. Eds. 309; Berwick Flora, ii. 237; Conferva stricta, Dillwyn, t. 40.
On rocks on the coast near Cullercoats, N. Near Whitburn, D. Near Berwick. — Dr. G. Johnston.
8. P. Agardhiana.
Gr. Crypt, t. 210.
On rocks and stones on the coast, D.
9. P. spinulosa.
Gr. Crypt, t. 90.
Among the rejectamenta of the sea at Whitburn, D.
10. P. badia.
Spreng. Syst. Veg. iv. 350; Berwick Flora, ii. 237; Conferva badia, Dillwyn, Syn. 85.
On the coast near Berwick upon Tweed. — Dr. G. Johnston.
11. P. allochroa.
Gr. Fl. Eds. 309; Berwick Flora, ii. 238; Conferva fibrata, Dillwyn, p. 84, t. 9.
On the sides of caves on the coast near Berwick.—Dr. G. Johnston. At Holy Island, N.
233. CERAMIUM.
1. C. elongatum.
Gr. Fl. Eds. 310; Berwick Flora, ii. 238; Conferva elongata, Dillwyn, t. 33; Eng. Bot. 2429.
On stones and rocks, frequent, N. and D.
2. C. rubrum.
Gr. Fl, Eds. 310; Berwick Flora, ii. 239; Conferva rubra, Eng. Bot. t. 1166; Dillwyn, t. 33 and 34.
On rocks and the stems of Fuci, common.
3. C. diaphanum.
Gr. Fl. Eds. 310; Berwick Flora, ii. 239; Conferva diaphana, Eng. Bot. 1742; Dillwyn, t. 38.
On rocks, stones, and large Fuci, not rare. On the beach at Hartlepool and Seaton, D.— J. Hogg, Esq.
4. C. ciliatum.
Gr. Fl. Eds. 311; Berwick Flora, ii. 240; Conferva ciliata, Dillwyn, t. 53; Eng. Bot. 2428.
On rocks and stones on the coast, rare.
5. C. Mertensii.
Conferva Mertensii, Eng. Bot. 999.
On rocks opposite Seaton, D. — Mr. Backhouse.
Is this a plant?
6. C. Linum.
Conferva Linum, Eng. Bot. 2363; C. capillaris, Dillwyn, t. 9; Northumberland and Durham Guide, ii. 77.
In ditches near Jarrow Slake, D. In salt marshes near Hartlepool, D.—J. Hogg, Esq. In salt marshes near Hartley, N.
7. C. flexuosum.
Conferva flexuosa, Dillwyn, t. 10; Eng. Bot. 1944.
In Jarrow Slake and Southwick Marsh, D.
8. C. pulchellum.
Conferva corymbifera, Eng. Bot. 1996; C. chalybea, Dillwyn, t. 91.
In springs near Darlington, D. — Mr. Backhouse.
9. C. tetragonum.
Conferva tetragona, Dillwyn, t. 65; Eng. Bot. 1690.
On rocks at Hartlepool, D.—Mr. Backhouse.
10. C. ? vermiculatum.
Rivularia vermiculata, Eng. Bot. 1818.
On the coast at Seaton, D.— Mr. Backhouse. Near Berwick. — Dr. G. Johnston.
234. CALLITHAMNION.
1. C. purpurascens.
Berwick Flora, ii. 240; C. roseum, Gr. Fl. Eds. 311; Conferva purpurascens, Eng. Bot. 2465; C. roseum, Eng. Bot. 966? Dillwyn, t. 17?
On Algae and rocks, not rare. Near Berwick. — Dr. G. Johnston.
2. C. Turneri.
Berwick Flora, ii. 241; Ceramium Turneri, Gr. Crypt, t. 355; Conferva Turneri, Dillwyn, t. 100; Eng. Bot. 2339.
In Berwick Bay on Furcellaria lumbricalis. — Dr. G. Johnston.
3. C. Rothii.
Gr. Fl. Eds. 312; Berwick Flora, ii. 241; Ceramium Rothii, Hook. Fl. Scot. ii. 85; Conferva Rothii, Dillwyn, t. 73; Eng. Bot. 1702.
On rocks and stones on the coast, but not common, N. and D. Near Berwick upon Tweed. — Dr. G. Johnston.
4. C. repens.
Berwick Flora, ii. 241; Conferva repens, Dillwvn, t. 18; Eng. Bot. 1608.
Upon the coast on Fuci, N. and D. At Seremmerston near Berwick.— Dr. G. Johnston.
235. GRIFFITHSIA.
1. G. setacea.
Gr. Fl. Eds. 312; Berwick Flora, ii. 242;
