568 baker's north YORKSHIRE. 
Mowthorpe Dale and Gilla Leys, Castle Howard, fVuilini>- 
(Spruce, 1841). 
Fruitint;- 9-10 mths. 
Neekera Hedw. 
1. N. complanata (L.) Hueb. 
Range 1-2. 
On trunks of trees, walls, and rocks. 
Common in similar situations to the preceeding-, ascend- 
ing" to the main limestone of Punchards Gill (Baker). 
Cum Hag Wall and other places about the Castle 
Howard Woods (Spruce, 1841). 
Amongst the eastern hills, near Goathland, and in the 
glens and tributaries of the Esk, near Whitby (M.B.S.). 
Fruiting 11 -12 mths. 
2. N. CPlspa (L.) Hedw. 
Montane B. Xerophilous Range 1-3. 
On calcareous rocks in hilly districts, sometimes on trees. 
Common upon rocks and walls amongst the calcareous 
hills on both sides of the central valley ascending from the 
Magnesian Limestone to the limestone pavement of Cam 
Fell and Widdale Fell (Baker). 
Amongst the eastern arenaceous hills in the upper part 
of Farndale (Mudd). 
North wall of Lord Morpeth plantation. Castle Howard 
(Spruce, 1841). 
Holwick Scars, Teesdale, fruiting ; also at Easington and 
near Saltburn (Barnes). 
Fruiting 11-4 mths. 
Var. falcata Boul. 
Face of cliff near the White Horse, Kilburn (W. Ingham, 
.897). 
