Cauldron Snout.— Mr. J. Backhouse, Sp. Near the summit of some bold Basaltic rocks called Falcon Clints about ten miles west of Middleton-in-Teesdale Mr. S. Halestone.
These localities cannot be far asunder.
16. CYSTEA.
1. C.fragilis. Brittle Bladder-fern.
Sm. Eng. Fl. iv. 298; Berwick Flora, ii. 16; Cyathea fragilis, Eng. Bot. 1587; Aspidium fragile, Gr. Fl. Eds. 220; Polypodium fragile, Bolt. Fil. t. 27 and 46; With. iii. 1010.
In Cawsey Wood, on walls at Beamish and Stanhope, on rocks at the Gunner's Pool in Castle Eden Dene, and in Ravensworth Woods, D. On rocks at Shewing Shields, and near Tecket Water-fall, N.
On the banks of Common Bourn near Cheviot.— W.C. Trevelyan, Esq. On Little Waney-house Crag near Sweethope take, N. — Wallis, 254.
This fern, when growing at different elevations, in various exposures, and on rocks dissimilar in chemical composition, becomes so much altered in general appearance, that it has afforded botanists opportunities of multiplying the species fourfold at least.
2. C. dentata. Toothed Bladder-fern.
Sm. Eng. Fl. iv. 300; Cyathea dentata, Eng. Bot. 1588; Aspidium dentatum, Hook. Fl. Scot. ii. 155; Polypodium dentatum, Dickson, Cryp. iii. 1, t. 7.
On rocks between Widdy Bank and Cauldron Snout Teesdale, D. — Rev. J. Harriman.
I have no specimen collected in this habitat, but those
of G. Don, from Ben Lawers, strongly resemble Cystea fragilis, of which it is probably a variety.
17. HYMENOPHYLLUM.
1. H. Wilsoni. Scottish Filmy-fern.
Hook. Br. Fl. 450; Eng. Bot. 2686.
On Simonside Hills, N W. C. Trevelyan, Esq.
MUSCI.
18. PHASCUM.
1. P. serratum.
Hook, and Tay. Musc. 4; Berwick Flora, ii. 56; Dick. Crypt. Fasc. 1, 1. 1, f. 1; Eng. Bot, 460; Turn. Musc. 4; P. stoloniferum, Dicks. Crypt. Fasc. 3, t. 7, f. 2; Eng. Bot. 2006.
Near Berwick, in corn fields of a light peat soil, not common. — Dr. G. Johnston.
2. P. crispum.
Hook, and Tay. Musc. 6; Eng. Bot. 1680; Arn. Disp. Musc. 7; P. multicapsule, Eng. Bot. 618.
At West Dipton near Hexham, N. Near Darlington, D. — Mr. Backhouse.
3. P. subulatum.
Hook, and Tay. Musc. 6; Eng. Bot. 2177; Berwick Flora, ii. 56; Arn. Disp. Musc. 7; P. acaulc, Dill. Musc. t. 32, f. 10.
On banks near the Redheugh, Gateshead, D. On the fragment of the Roman wall at Denton Bourn, also at Prestwick Carr, in East Common Wood, and on Newcastle Town Moor, N. Near Crowhall Mill, N.— Mr. J. Thompson, Sp.
4. P. axillare.
Hook. and Tay. Musc. 7; Eng. Bot 1036; Arn. Disp. Musc. 7; P. strictum, Eng. Bot. 2093; Dick. Crypt. Fasc. iv. t. 10, f. 1.
At West Dipton near Hexham. N.
5. P. patens.
Hook. and Tay. Musc. 7; Eng. Bot. 1279.
Near Darlington, D. — Mr. Backhouse.
6. P. muticum.
Hook. and Tay. Musc. 8; Eng. Bot. 2027; Arn. Disp. Musc. 7; Turn. Musc. 3.
Near Darlington, D. — Mr. Backhouse.
7. P. cuspidatum.
Hook. and Tay. Musc. 8; Eng. Bot. 2025; Arn. Disp. Musc. 7; Berwick Flora, ii. 56; P. Schreberianum, Eng. Bot. 2026; P. curvisetum, Eng. Bot. 2259.
β piliferum, Hook. and Tay. Musc. 8. On hedge banks near Gateshead, Hedworth, Jarrow, Sunderland, East Murton, and Medomsley, D. Near Darlington, D. — Mr. Backhouse. In East
Common Wood, near Hexham, and on walls near Benwell and Denton, N. At the foot of Cheviot, also about Berwick, N. — Dr. G. Johnston. Near Crowhall Mill, N. — Mr. Jno. Thompson, Sp.
8. P. bryoides.
Hook. and Tay. Musc. 10; Eng. Bot. 1180; Arn. Disp. Musc. 8.
On gravel walks about Darlington, D.— Mr. Backhouse.
9. P. curvicollum.
Hook. and Tay. Musc. 11; Eng. Bot. 905; Arn. Disp. Musc. 8.
In gravel pits near Darlington, D. — Mr. Backhouse.
19. SPHAGNUM.
1. S. obtusifolium.
Hook. and Tay. Musc. 13; Berwick Flora, ii. 55; S. latifolium, Eng. Bot. 1405.
In bogs abundant.
2. S. squarrosum.
Hook. and Tay. Musc. 14; Eng. Bot. 1498.
In bogs on moors, not rare.
3. S. acutifolium.
Hook. and Tay. Musc. 14; Berwick Flora, ii. 55; S. capillifolium, Eng. Bot. 1406.
In bogs, frequent.
4. S. cuspidatum.
Hook. and Tay. Musc. 15; Eng. Bot. 2392; Berwick Flora, ii. 55; Dill. Musc. t. 2, f. 2 B; Arn. Disp. Musc. 6.
In bogs; immersed in water.
5. GYMNOSTOMUM.
1. G. ovatum.
Hook. and Tay. Musc. 21; Eng. Bot. 1889; Arn. Disp. Musc. 10; Berwick Flora, ii. 54.
On walls near Benwell, Denton, and Newcastle, N. On the Windmill Hills, Gateshead, D. Near Berwick. — Dr. G. Johnston.
2. G. truncatulum.
Hook. and Tay. Musc. 22; Eng. Bot. 1975; Berwick Flora, ii. 53.
β intermedium, Eng. Bot. 1976; Turn. Musc. vii. t. l. f. a.
α On walls about Newcastle, common. β in Cawsey Wood on the bank near the Bridge, on walls nearVOL. II. T
