494 baker's north Yorkshire. 
Fruiting on an elm tree on the south bank of the Tees 
near Gainford, and at Cotherstone. Deepdale near Bowes 
(Barnes). 
Frequent upon trees, bushes, and sometimes on stones 
in the low country and also amongst the hills, generally 
sterile (Baker). 
Var. f3 rupestpis Lindb. 
In Swaledale, on limestone rocks at Kisdon Scars, 
East Stonesdale, and near Richmond (Barnes). 
Fruiting 3-4 mths. 
3. Z. conoideus (Dicks.) Hook, and Tay. 
Range 1 . 
Trunks of trees, rare. 
On trees in Ingleby Park, Cleveland (Mudd). 
Fruiting 5 mth. 
OPthotpichum Hedw. 
I. O. obtusifolium (Schrad.). 
Range i. 
On tree trunks, rare. 
Near York (Wilson 1856). 
On an ash tree near the Abbey Bridge, Rokeby, grow- 
ing amongst Leucodon sciiiioides. Also on elm trees near 
Leyburn (Barnes 1892). 
Not found with fruit. 
2. O. pupestre Schleich. 
Montane A. Range 2. 
Rocks and walls in sub-alpine districts, rare. 
On stones in the bed of the Tees below the High Force 
(Spruce 1843). 
Fruiting 7-8 mths. 
