482 baker's north YORKSHIRE. 
On wall at Kildale in Cleveland (M.B.S.). 
Occasionally upon banks and sandy rocks in the low 
country (Baker). 
Var. /i vinealis Brid. 
In hilly districts. In the Castle Howard neighbourhood 
in several places, also on walls above Barnard Castle in 
Teesdale (Spruce 1843). 
On stones by the banks of the Greta (M.B.S.). 
Sutton near Thirsk (Wheldon). 
Fruiting 6 mth. 
10. B. sinuosa (Wils.). 
(Didymodo7i simwsus Schpr. ). 
Range 1-2. 
On old walls, wet stones, and about tree roots in cal- 
careous districts, not common. 
On stones in Castle Howard Park (M.B.S.). 
In Teesdale by the side of the Unthank Beck, and by 
the river-side at Ovington, Winston, and Croft. In 
Swaledale at Kisdon Force, Hudswell, Whitcliff Woods, 
and Sandbeck, Richmond. In Cleveland at Easington and 
Saltburn (Barnes). 
At Askrigg and Leyburn in Wensleydale. 
Always without fruit. 
II. B. Hornschuchii Schultz. 
Range i. 
On damp sandy ground, and on old walls, not common. 
On Kirkham Hill, and at Crambeck, Welburn and 
Coneysthorpe, Castle Howard (Spruce 1839). 
On sandy banks near Huttons Ambo, Malton (M.B.S.). 
Var. aristulata Spruce M.S.S. 
On damp sandy banks near Coneysthorpe, Castle Howard 
(M.B.S.). 
Fruiting 4-5 mths. 
