intricatum, Eng. Bot. 2421; H. Teesdalii, Dicks. Crypt. Fasc. iv. 16; Eng. Bot. 203.
In woods and on hedge banks, not rare.
3. H. ruscifolium.
Hook. and Tay. Musc. 177; Eng. Bot. 1275; Gr. Fl. Eds. 260; Berwick Flora, ii. 30.
In rivulets and pools of water, not rare.
4. H. striatum.
Hook. and Tay. Musc. 178; Eng. Bot. 1648; Gr. Fl. Eds. 261; Berwick Flora, ii. 29.
In woods, denes, and on hedge banks, frequent.
5. H. confertum.
Hook. and Tay. Musc. 178; Gr. Fl. Eds. 261; Eng. Bot. 2407; Berwick Flora, ii. 30; H. serrulatum, Eng. Bot. 1262.
On walls near Urpeth, and trees in Cawsey Wood, also on Gateshead Fell, and at Spring Houses near Muggleswick, D. In Heaton Wood, Oak Wood, and Dilston Park, N.
6. H. cuspidatum.
Hook. and Tay. Musc. 178; Eng. Bot. 2407; Gr. Fl. Eds. 261; Turner, Musc. 177; Berwick Flora, ii. 28.
In bogs, common.
7. H. cordifolium.
Hook. and Tay. Musc. 179; Eng. Bot. 1447; Gr. Fl. Eds. 261; Arm. Disp. Musc. 66.
In fruit in old pit holes, on Newcastle Town Moor, also on the Muckle Moss, and at Prestwick Carr, N. In bogs on moors near Blanchland,and at the source of Horsley Hope Bourn, also near the Smelt Mill Forge at Team, D. Near Crowhall Mill, N. — Mr. J. Thompson.
38. H. polymorphum.
Hook. and Tay. Musc. 179; Eng. Bot. t. 2671; H. chrysophyllum, Bridel. Musc. ii. 2, f. 2; Hedw. Musc. 66; Northumberland and Durham Guide, i. 113, and Addenda, 24.
In fallow fields near Medomsley and Lanchester, also near Lamesley, and Ravensworth, D.
The specimen figured in Eng. Bot. grew near Lanchester.
39. H. stellatum.
Hook. and Tay. Musc. 180; Eng. Bot. 1302; Gr. Fl. Eds 262; Berwick Flora, ii. 31.
In bogs near Feldon Lead Mill, and on Ravensworth Fell, D. At Prestwick Carr, and on moors beyond Blanchland, N. Near Berwick Dr. G. Johnston.
40. H. lorcum.
Hook. and Tay. Musc. 181; Eng. Bot. 2072; Gr. Fl. Eds. 262; Berwick Flora, ii. 31.
In woods, common.
41. H. triquetrum.
Hook. and Tay. Musc. 182; Eng. Bot. 1622; Gr. Fl. Eds. 262; Berwick Flora, ii. 31.
In woods, abundant.
42. H. squarrosum.
Hook. and Tay. Musc. 182; Eng. Bot. 1593; Gr. Fl. Eds. 262.
In woods, and on moors, abundant.
43. H. filicinum.
Hook. and Tay. Musc. 183; Eng. Bot. 1570; Gr. Fl. Eds. 263; Berwick Flora, ii. 32.
On bogs and by rivulets.
44. H. palustre.
Hook. and Tay. Musc. 185; Eng. Bot. 1655; Gr. Fl. Eds. 263; Berwick Flora, ii. 33; H. luridum, Hedw. St. Cr. iv. t. 38; H. fluviatile, Eng. Bot. 1303; Turner, Musc. 192; H. adnatum, Turner, Musc. 165; Eng. Bot. 2406.
In the river Derwent, in Pont, Waskerley, and Cawsey Bourns, also on the moor at Sunnyside near Whickham, D. In the De'il's Water in Dilston Park and in the lrthing at Gilsland, N.
45. H. fluitans.
Hook. and Tay. Musc. 185; Eng. Bot. 1448; Gr. Fl. Eds. 263; Berwick Flora, ii. 33.
In fruit in old pit holes, on Newcastle Town Moor, in East Common Wood, and Dilston Park, on the Muckle Moss, and at Prestwick Carr, N. In ponds on Gateshead Fell, and on the moor at Sunnyside
near Whickham, D.
46. H. aduncum.
α. revolvens, Hook. and Tav. Musc. 186; Gr. Fl. Eds. 263; Berwick Flora, ii. 33; H. revolvens, Eng. Bot. 2073; Swartz, Musc. t. 7, f. 14; Northumberland and Durham Guide, III, No. 1034.
β H. rugosum, Eng. Bot. 2250; Dicks. Crypt. Fasc. ii. 12; Northumberland and Durham Guide, 111.
α On the heathy part of Prestwick Carr, on moors near Blanchland and Wardrew, N. In the Black Syke near Spring Houses, also on the Teesdale Moors, and near Feldon Lead Mill, D. Near Berwick. — Dr.
G. Johnston. β at Prestwick Carr, and by Roadley Lake, N. On the south bank of Derwent near Crook-oak, D.
In uniting these species I have followed Dr. Hooker, but the great difference of size between H. revolvens and H. rugosum, even when growing close together, makes me suspect that they will, after all, prove distinct species. H. aduncum of Swartz has extremely fine leaves, and is unlike any British moss which has come under my observation.
47. H. uncinatum.
Hook. and Tay. Musc. 187; Eng. Bot. 1600; Gr. Fl. Eds. 264; Berwick Flora, ii. 33; Turner, Musc. 190.
In bogs near Blanchland, Wardrew, and in East Common Wood, N. On Gateshead Fell, and in Cawsey and Friarside Woods, also near Hilton Castle, D. Near Berwick. — Dr. G. Johnston.
48. H. commutatum.
Hook. and Tay, Musc. 188; Eng. Bot. 1569; Gr. Fl. Eds. 264; Berwick Flora, ii. 32.
In Heaton Dene, on bogs near Blanchland, and by the lrthing at Wardrew, also on the moors near Wallington, N. In Castle EdenDene, on Ravensworth Fell and the Teesdale Moors, D. Near
Berwick. — Dr. G. Johnston.
This moss usually occurs in springs whose waters are impregnated with lime.
49. H. scorpioides.
Hook. and Tay. Musc. 188; Eng. Bot. 1039; (bad)- Gr. Fl. Eds. 264; Turner, Musc. 187; Berwick Flora, ii. 31.
On the heath at Prestwick Carr, N.
50. H. silesianum.
Hook. and Tay. Musc. 189; Eng. Bot. 2016; Arn. Disp. Musc. 68.
On the high ground at the head of Waskerley Bourn, D., rare.
51. H. cupressiforme.
α vulgare, Hook. and Tay. Musc. 189; Eng. Bot.VOL II. X
