PLEUROCARPOUS MOSSES. 
559 
Ptilium (Sull.) De Not. 
I. P. Crista-castrensis (L.) De Not. 
{Hyp. Crista castrensis L.). 
Montane. Range 1-3. 
In shady woods and banks, rare. 
In the Howardian tract, in a hollow near the entrance 
from Ganthorpe to Castle Howard Park (now extinct in 
this locality) (Ibbotson). 
On the south side of the Tees near Gainford (Backhouse). 
In the central valley in woods near Croft (Dalton). 
In Upper Teesdale amongst the heather on the edge of 
Cronkley Fell (Black). 
Fruiting 7-8 mths., very rarely. 
Stepeodon (Brid.) Mitt. 
(Sec. A.— DREPANIUM Schpr. HYPNUM Dill). 
1. S. Lindbepgii Mitt. 
(Hyp. pratense var. hamatuni Schp.). 
Range i. 
Damp grassy shaded places, not common. 
Ray wood, Castle Howard (Spruce, 1847). 
On the west, near the Yore, between Masham and Tan- 
field. In the central valley between Sowerby and Dalton, 
and near the Tees at Croft. In the Vale of Mowbray, in 
Gurtoff Gill, and at the foot of Black Moor, near Westow 
(Baker). 
West Stonesdale Beck, Swaledale, and at Hawnby 
(Barnes). 
Strensall Common (Ingham). 
Fruiting summer, not found in Britain. 
June 1905. 
