452 baker's north YORKSHIRE. 
3. S. acutifolia. Var. longiseta, Lindb. 
Montane A. Range 1-2. 
Fissures of calcareous rocks, rare. 
ArncHflf (Whitehead. 1868). 
Near Kisdon Force, Upper Swaledale and near Richmond 
(Barnes 1890). 
Fruiting 5-6 mths. 
(S. paucifolia (Dicks.). Carruth, and S. calcarea. 
(Dicks.). B. et S. have been met with, growing in abundance 
upon blocks of exposed chalk rock in the East Riding of 
Yorkshire by Mr. J. J. Marshall, of Market Weighton, 1894. 
S. paucifolia (Dicks.) is recorded in Dickson's fourth 
fasciculus of Cryptogamic plants under the name of Bryiuit 
paiicifoliiim^ from near Wetnerby ; there is no recent 
confirmation of this habitat). 
4. S. tpifaria (Brid.). Lindb. 
[S. trisiicha B. et S.). 
Montane A. Range 1-2. 
Dripping calcareous rocks, rare. Whitfield Gill, and 
Aysgarth Force, and in hollows on the north side of 
Addleburgh. 
Kisdon Scar near the upper force, Swaledale, and at 
the head of Semerdale (Barnes. 1889). 
Fruiting 5-6 mths. 
First noticed as a British moss in Berkeley's Handbook 
of British Mosses, 1863, as found on calcareous rocks, 
Blair Athol, by G. E. Hunt. 
5. S. setacea. (W\ilf.). Lindb. 
(.S'. recur vaia B. et S.). 
Montane B. Range 1-2. 
Shaded sandstone rocks. Frequent upon shaded rocks 
amongst the hills on both sides of the central valley, 
