PART II.
CRYPTOGAMIC PLANTS.
CRYPTOGAMIA CHARACEAE.
1. CHARA.
1. C. vulgaris. Common Chara.
Sm. Eng. Fl. i. 6; Gr. Fl. Eds. 281; Eng. Bot. 336; Berwick Flora, 2.
β Spreng. Syst. Veg. iv. 345; C. Hedwigii, Trevelyan, MSS.
α In muddy ditches and ponds, common. β in streams running into the Weel near Cauldron Snout, Teesdale, D. — W.C. Trevelyan, Esq.
2. C. hispida. Prickly Chara.
Sm. Eng. Fl. i. 7; Eng. Bot. 463; Gr. Fl. Eds. 281; With. ii. 3. β C. tomentosa, Hudson, 398; Robson's Flora, 295. α In a pond at Hartley old engine, and in pools near Hartley Link House, N. In Hell-kettles near Darlington, D. In ponds at Norton. — J. Hogg, .Esq. At Polam. — Mr. Backhouse, α and β in the Whey Syke near Widdy Bank, on Teesdale Forest, D.— W. C. Trevelyan, Esq.
3. C. aspera. Rough Chara.
Gr. Cryp. Fl. t. 339.
At Prestwick Carr, N. — Mr. Wm. Robertson. In the Lough on Holy Island, N.—Dr. G. Johnston. In the Irthing at Gilsland, also in Grindon and Crag Loughs, N. — Mr. J. Thompson, Sp.
4. C. flexilis. Smooth Chara.
Sm. Eng. Fl. i. 7; Eng. Bot. 1070; With. ii. 4; Gr. Fl. Eds. 280. In an old quarry in Leming Lane, and at Cocken, D. Near Darlington. — Mr. Backhouse. In a pond at Walker, and in Bromley and Crag Loughs near Shewing-shields, N. In the mouth of the rivulet at Goswick, N. — Thompson's Berwick Plants.
EQUISETACEAE.
2. EQUISETUM.
1. E. sylvaticum. Branched Wood Horsetail.
Sm. Eng. Fl. iv. 336; Eng. Bot. 1874; Bolt. Fil, t. 32, 33; Gr. Fl. Eds. 215; With. iii. 979: Berwick Flora, ii. 5.
In woods and denes, frequent.
2. E. fluviatile. Great Bog Horsetail.
Sm. Eng. Fl. iv. 337; Eng. Bot. 2022; Gr. Fl. Eds. 213; Bolt. Fil. t. 36, 37; With. iii. 981; Berwick Flora, ii. 5.
In boggy woods, not rare.
3. E. arvense. Corn Horsetail.
Sm. Eng. Fl. iv. 337; Eng. Bot. 2020; Bolt. Fil. t. 34; Curt. Lond. Fasc. iv. t. 64; Gr. Fl. Eds. 213; With. iii. 979; Berwick Flora, ii. 7.
In woods and fallow fields, common.
4. E. palustre. Marsh Horsetail.
Sm. Eng. Fl. iv. 338; Eng. Bot. 2021; Bolt. Fil. t. 35; Hook. Fl. Scot. 161; With. iii. 980; Gr. Fl. Eds. 215; Berwick Flora, ii. 7.
By slow streams, and in ditches.
5. E. limosum. Smooth Naked Horsetail.
Sm. Eng. Fl. iv. 339; Eng. Bot. 929; Bolt. Fil. t. 38; Gr. Fl. Eds. 214; With. iii. 981; Berwick Flora, ii. 8.
In ponds and watery places, but not frequent.
5. E. hyemale. Rough Horsetail, Shave-grass.
Sm. Eng. Fl. iv. 339; Eng. Bot. 915; Berwick Flora, ii. 8; Gr. Fl. Eds. 214; With. iii. 983; Hook. Lond. t. 161.
In woods not uncommon, N. and D. In Castle Eden Dene, D.—S. Robson's Flora, 263.
7. E. variegatum. Variegated Rough Horsetail.
Sm. Eng. Fl. iv. 340; Eng. Bot. 1987; Hook. Fl. Scot. 161.
By the river Irthing at Gilsland, N.—Mr. J. Thompson, Sp. Near Winch Bridge, by the Whey Syke, and opposite the mouth of the Lune in Teesdale, D.—W. C. Trevelyan, Esq.
The most southern localities in Britain.
MARSILEACEAE.
3. ISOETES.=
1. I. lacustris. Quill-wort.
Sm. Eng. Fl. iv. 343; Eng. Bot. 1084; Hook. Fl. Scot. 160; Lond. t. 131; With. iii. 988. In Crag Lake, N.
Rare, and unaccompanied by its usual attendant in the northern lakes, the elegant Lobelia Dortmanna.
4. PILULARIA.
1. P. globulifera. Pill-wort.
Sm. Eng. Fl. iv. 342; Eng. Bot. 521; Hook. Lond. t. 83; Bolt. Fil. t. 40; Gr. Fl. Eds. 215; With. iii. 987.
At Prestwick Carr, N. Near a pond by the road half a mile north of Wolsington House, N. — Mr. R. Waugh and Mr. J. Thornhill.
