548 baker's north YORKSHIRE. 
11. H. Algirianum Brld. 
{^H. tenelhim Dicks. ). 
Xerophilous. Range 1-2. 
On shaded calcareous rocks, rare. 
On stones in Oxcars Wood, and in hedgerows near VVel- 
burn. Castle Howard (Spruce, 1842). 
Billy Bank Wood, near Richmond (Ward). 
Whitstoncliff (Baker). 
On shaded limestone rocks by the Tees at Ovington and 
Winston Bridge. In the Swale district at Limekiln Wood, 
Catterick, and at Aysgarth Force (Barnes). 
Hildenley Wood, near Malton (M.B.S.). 
Near Masham (J. A. Wheldon). 
Fruiting 10 mth. 
(Sect. 5.— RHYNCHOSTEGIUM (Bry. Eur.). Lindb ). 
12. H. piliferum Schreb. 
Range 1-2. 
Shaded places on the ground. 
Frequent in both the low country and amongst the hills, 
but rarely fruiting (Baker). 
Mowthorpe Dale, Castle Howard, in fine fruit (Spruce, 1840). 
Goathland Beck (M.B.S.). 
Near Roxby, Cleveland, fruiting (Barnes). 
Fruiting 11 mth., very rarely fruiting. 
13. H. pusciforme Neck. 
Range 1-2. 
Common in streams in the low country and amongst the 
hills (Baker). 
Crambeck rivulet, Castle Howard, in fine fruit (Spruce, 1837). 
Fruiting 9-1 1 mths. 
\'ar. /i atlanticum, Brid. 
Near Helmsley (Ingham, 1897). 
