NOTES ON MOSSES. 345 
oblong, obtuse, sometimes toothed at apex, to which the nerve 
does not reach; capsules erect, oblong, smooth, with a small 
mouth, and on a long thin seta; lid with a long, straight, subulate 
beak: dioicous. 
A very striking and common Moss on clay-banks and hedges is 
Barbula unguiculata, the Bird’s-claw Screw Moss, from the peculiar 
appearance of its leaves. Its stems are 4—1 inch in height, 
czespitose, dichotomous; leaves oblong-lanceolate, obtuse; margin 
recurved ; nerve excurrent into a short mucro; capsules oblong, 
cylindrical, erect on a long reddish seta; lid with a subulate beak: 
dioicous. 
There are two varieties, 8. cusfidafa, stems shorter; leaves 
narrower with a longer mucro, and y. aficulata, with spreading 
recurved leaves and long mucro. 
Didymodon luridus is a rare Moss on limestone walls. 
Bryum intermedium, the many-seasoned Thread Moss is frequent 
on walls and rocks, and like /usaria hygrometrica is found fruiting 
almost all the year round. Stems about % inch, tufted, branched; 
leaves imbricate, ovate-lanceolate, acuminate, point sometimes 
toothed, margins recurved ; capsule pyriform, narrow and sub-pen- 
dulous, tapering into a longish neck; lid conical-pointed ; inner 
peristome with cilia. 
A much larger Moss found on sandy shady banks, and described 
by Schimper as the most beautiful of all the European species, is 
B. roseum, the rosaceous Thread Moss, easily known by the 
shining rosette with which the stem is surmounted. 
The stems are 1—3 inches high; lower leaves small, scattered, 
lanceolate ; upper in a large rosaceous tuft, spatulate, apiculate, 
serrate above, margin recurved, nerved nearly to apex; capsule 
oblong-ovate, pendulous. Beautiful specimens in fruit have been 
sent from North American stations, where it is common, but in 
Britain the fructification is rare. 
Found on moist banks, especially in Lancashire cloughs, and 
with lateral fructification is /isstdens taxtfolius, the yew-leaved 
Fork Moss. Stems about % inch, fasciculate from base; leaves 
lanceolate, pointed, not bordered, finely crenulate, nerved almost 
to apex; capsule ovate, inclined on a seta curved at summit and 
inserted at base of stem; lid large, convex with a long oblique 
beak : monoicous. 
Pleurocarpous Mosses: Of the Hypnoid group, Orthothectum 
rufescens is rare on moist shady alpine rocks: while common in 
Miller’s Dale and generally throughout England on walls and rocks 
is Homalothecium sericeum, the silky Feather Moss. Stems 1 inch 
or more, creeping, branched; branches erect, curved; leaves 
imbricate, sub-secund, lanceolate, long-tapering, scarcely nerved to 
apex, striate, areole very narrow; capsules almost erect, cylind- 
ee 
