474 baker's north Yorkshire. 
In Cleveland, by the side of the road, between Grinkle 
Park and Loftus; also on clay ground at Slape Wath and 
Saltburn (Barnes 1890). 
Fruiting 3-4 mths. 
7. Mollia tenuis (Schrad.) Lindb. 
{Gyninosto7niim teniie Schrad.). 
B. Range 1-2. 
Rocks and stones of sandstone or limestone, not common. 
On Sandy Hill Bridge, Castle Howard Park, also in 
quarries at Welburn and Appleton-le-Street (Spruce, 1843). 
Near Richmond, Thorpe Arch, Sutton Bank, and Thirsk 
(Baker). 
At Hawnby in Bilsdale, also in quarry near Easthorpe, 
Malton, and near Pickering (M.B.S.). 
In Cleveland, at Kilton, Roxby, Skelton, Saltburn, Slape 
Wath and Upleatham, also in Deepdale, and at Gainford 
and Croft (Barnes). 
Fruiting 7-8 mths. 
8. Mollia aeruginosa (Sm.) Lindb. 
{Gymnosto7yium nipestre^ Schleich. ). 
Montane B. Range 1-2. 
Wet rocks near waterfalls, especially in calcareous sub- 
alpine districts ; not uncommon. 
At High Force and Hell Cleft, also near Winch Bridge, 
Teesdale (Spruce. 1843). 
In Greta Dale at the falls below Sleightholme, Whitstone- 
dale Scars, and in most of the glens of the Yore district 
(Baker). 
At Saltersgate Beck, and in various places near waterfalls 
on the streams in Eskdale, Whitby (M.B.S.). 
By the Tees, descending to Whorlton Bridge, Ovington, 
and Gainford (Barnes). 
Fruiting 8-9 mths. 
