Lett — On the Mosses of the Mourne Mountain District. 275 
Polytrichum gracile, Dicks. 
On granite blocks, on the shore of Lough Shannagh, 1883 : 
H. W. L., and Eev. C. H. "Waddell. Woods at the foot of 
the Mourne Mountains, sub nomine, P. paUidisetum^ T. 
Drummond. Though from these, the only records, this moss 
looks to be very rare, I have no doubt it occurs frequently 
throughout the district, and has been, and is overlooked 
from its great resemblance to small forms of P. commune. 
iPolytrichum piliferum, Schreb. 
Spinkwee River Glen, Slievenamaddy, Donard Lodge Demesne, 
Slieve Commedah, Shores of Lough Shannagh, The Castle 
Bog-road, summit of Slieve Bignian, roadsides between 
Eosstrevor and Hilltown : H. W. L. Frequent, and in 
some places abundant. 
Polytrichum juniperinum, Willd. 
Anglesey Mountain : Rev. C. H. Waddell, Slieve Donard : S. A. 
Stewart. This moss seems to have been almost altogether 
overlooked in the district. 
iPolytrichum strictum. Banks. 
Slieve Martin, July, 1884. On detached blocks of granite, some- 
what to the west of the Black Stairs on Slieve Donard, 1885 : 
H. "W. L. This moss is mentioned by Templeton as having 
been found by him, but he gives no definite locality. Yery 
rare. 
Polytrichum commune, L. 
The lesser cairn on Slieve Donard, Slievenamaddy, Slieve Gullion, 
Slieve Martin, Slievenabrock, Spinkwee River Glen, summit 
of Slieve Bignian. Very abundant, and of great length, on 
the northern slopes of the Butter Mountain : H. W. L. 
Prequent in the district. 
FISSIDEI^S. 
iPissidens incurvus, Starke. 
Clermont Mountain, 1885 : H. W. L. Yery rare. 
iPissidens bryoides, Hedw. 
Near the Ivy Rock in Donard Lodge Demesne, Tollymore Park : 
H. W. L. "Warrenpoint : Rev. C. H. WaddelL IS^ot 
common in the district. 
