564 baker's north YORKSHIRE. 
in Whitstondale and Punchards Gill. In the Yore District 
at the upper part of Cotterdale (Baker). 
Among-st the eastern hills, near Saltersg-ate (M.B.S.). 
Var. 13. nitiduru (Wahl.). 
Cronkley Fell, Teesdale (Spruce). 
Fruiting" 6-7 mths. 
4. I. repens (Pollich). 
(^Plagiothechim silesiacufii Schpr.). 
Rang^e 1-2. 
On decaying trees, rocks, stones, &c., rare. 
On rocks in Arncliff Wood, Eskdale, and in Cronkley 
Gill, near Whitby (Spruce, 1847). 
Fruiting 5-6 mths. 
Plag^iotheeium B. et S. 
I. P. undulatum (L.) B. et S. 
Range 1-3. 
In woods and heathy places, not uncommon. 
In several of the Castle Howard woods (Spruce, 1840). 
Common, in shaded places amongst the hills ascending 
to the upper zone peaks (Baker). 
Very abundant in Arncliff Wood, Eskdale, near Whitby, 
also near Mallyon Spout, Goathland (M.B.S.). 
Fruiting 4-5 mths. 
2. P. silvaticum (Huds.) B. et S. 
(^Hypnum silvaticum Huds. Fl. Anglica). 
Range 1-3. 
In woods at the roots of trees, and in hedge banks, not 
uncommon. 
In several of the Castle Howard woods (Spruce). 
