PLEUROCARPOUS MOSSES. 553 
fruiting finely, and in a swamp below the head hag" 
at Coneysthorpe (Spruce, 1842). 
In the central valley, abundant with Thuidium Blandovii 
in Halnaby Car. Amongst the eastern hills in Codhill 
bog, Guisbro' ; Flazendale and Beckdale, Helmsley (Baker). 
Swampy ground near the High Force, Teesdale (M.B.S.). 
Fruiting 5 mth., only seldom found. 
ISOtheeium Brid. Bryo. Univ. 
1. I. vivipapum (Neck.) Lindb. 
(/. myuruni Brid.). 
Range 1-3. 
Common in shaded places. 
Ascends from the central valley to the main limestone 
of Mickle Fell (Baker). 
In Cum Hagg and other Castle Howard woods, fruits 
abundantly (Spruce, 1837). 
Goathland Beck, and in Eskdale and its tributaries 
(M.B.S.). 
Fruiting lo-ii mths. 
2. I. myosupoldes. (L.). Brid. 
Range 1-3. 
On stones and trees in woods and shaded places. 
Frequent, especially amongst the hills ascending from 
the central valley to the main limestone of Mickle Fell 
(Baker). 
In the Castle Howard woods, and in Eskdale, abundant 
{Spruce, 1841). 
Troutsdale, near Hackness (M.B.S.). 
Fruiting 11 mth. 
Var. filescens, Ren. 
Kirkdale (Ingham, 1899). 
June, 1905. 
