536 baker's north YORKSHIRE. 
In quarry above Barton-le-Street, also on north side of 
Castle Howard Park wall, near Coneysthorpe (M.B.S.). 
Hole of Horcum, near Pickering- (G. Stabler, 1868). 
Marske Mill, near Saltburn (Barnes). 
Strensall (Ingham). 
Fruiting 5 mth., rarely. 
15. A. protensum (Brid.) Lindb. 
[Hyp?iuni stellaium fS. protensum Schp.). 
Range 1-2. 
Wet rocks and stones in calcareous districts, not common. 
Heslington Fields, near York, in fruit (Spruce, 1842). 
Saltersgate Beck on stones, and Newton Dale (M.B.S.). 
Amongst the western hills at (Falcon Glints, Teesdale, in 
Durham) Kisdon Force, and near Gatterick, Swaledale 
(Barnes, 1887). 
Near Scarbro' (Ingham). 
Fruiting 6 mth. 
16. A. stellatum (Schreb.) Lindb. 
[HypiiiiJii stellaium Schreb.). 
Range 1-3. 
Marshy ground amongst grass, common. 
Upon swampy heaths, ascending from Pilmoor and Stock- 
ton Forest to the upper zone peaks (Baker). 
Terrington Gar, Gastle Howard, fruiting 1843 (Spruce). 
Goatham Marshes, fruiting (Barnes). 
.Strensall, Kilburn, and Heworth, near York (Ingham). 
Fruiting 6 mth. 
17. A. polygamum Br. & Schpr. 
[Hypiium polygajuum Wils.). 
Range i. 
In swampy places not common. 
Terrington Gar, Gastle Howard, in fine fruit (Spruce, 
1847). 
