176 
55. H. erodes, Spruce. 
With H. seorpioides, on boggy ground in Stockton forest, near York 
— R. Spruce. Banks of stream in Gillaleys wood, Castle Howard — 
A. O. Black. 
56. H. loreum, Linn. Fr. Winter. 
57. H. triquetrum, Linn. , Fr. Winter. 
58. H. breyirostre, Ehrh. Fr. Winter. 
Castle Howard woods — H. Ibbotson. Hedgebank between Carlton 
Miniott and Skipton bridge, near Thirsk — J. G. Baker. Abundant 
in Bolton woods, Wharfdale, and in Helk’s wood, Ingleton. 
59. H. squarrosum, Linn. Fr. Winter. 
60. H. FiLiciNUM, Linn. Fr. Spring. 
Damp places and marshy ground ; common. 
61. H. palustre, Linn. Fr. Spring, Summer. 
Damp stones and rocks in rivulets ; frequent. 
62. H. ochraceum, Turn. Fr. May. 
Stones in the Swale, below Topcliffe bridge — J. G. Baker. Abun- 
dant on wet stones in the moorland rivulets near Todmorden. 
In fruit on dripping rocks in Gorple dough, Heptonstall. 
63. H. fluitans, Linn. Fr. Spring, Summer. 
In pools and streams and wet hollows, amongst the moorlands ; 
frequent. 
64. H. fluviatile, Sivartz. 
Stones in rivers in the north riding — Teesdale. Very common on 
stones in all the rivulets about Hip on — W. Brunton. Stones in the 
Swale, below Aisenby — J. G. Baker. On submerged stones in the 
Wharfe, at Bolton abbey. 
65. H. aduncum, Linn, (not H. and T.) Fr. May. 
Boggy places ; not unfrequent. 
66. H. revolvens, Swartz. Fr. Spring. 
H. aduncum « revolvens, Brit. FI. in part. Side of streamlets amongst 
the Hambleton hills near ftievaulx, and other places — J. G. Baker. 
In a bog near Malham tarn, and on Longfield moor, near Tod- 
morden. 
67. H. lycopodoides, Schwaegr. 
H. aduncum ^rugosum, Brit. FI. Peat mosses in the north-riding — 
Teesdale. Stockton forest, near York — R. Spruce. Pilmoor, near 
Borougkbridge — J. G. B a ker. 
68. H. uncinatum, Hedw. Fr. Spring. 
69. H. rugulosum, W. and M. 
Giggleswick scarrs, near Settle — R. Spruce. Plentiful amongst 
Gordale scarrs, and below Malham cove. 
70. H. commutatum, Hedw. Fr. Spring. 
Damp ground and borders of streams, especially in limestone 
districts ; frequent. The variety condensatum, Wits. MSS., (H. 
