418 Proceedings of the Royal Irish Academy. 
Hab. On the faces of moist rocks. N'ear Bantry, Miss Hutchins ; 
and near GlengarrifF, Cork, "Wilson ; Pair-Head, Antrim, 
very fine, May, 1854; Brandon, Kerry; Lugnaquillia, 
"Wicklow. 
Sect. 2. Peristome single. 
57. Leucodon. Schwaegr. 
Calyptra dimidiate-large. Capsule ovate, thick ; its pedicel enclosed 
by the perichsetial leaves. Peristome single, of 16 equidistant 
entire or perforated teeth, and with a medial line, sometimes 
slightly bifid at the apex. Leaves ovate-acnte, imbricated, 
entire, reflexed at the margin, and nerveless. Inflorescence 
dioicous. 
1. L. sckiroides {^dkwiXQgY.). SuppL, tab. 125, fig. 10. Schimp., 
Synops. Muscor., 475. Bryol. Brit., p. 313, tab. 20. Muscol. 
Brit., Ed. 2, p. 112. Rabenhor., Bryothec. Europ., ISTo. 
137. 
Hab. Trunks of trees. Kear the Longford Bridge, Royal Canal, 
D. Orr. Abundant on trees about Beauparc, Meath, and at 
Bantry, Cork. Singularly rare in Ireland, and very seldom 
fruiting. 
Sect. 3. Peristome double. 
57a. Antiteichia. Bridel. 
Calyptra cuculliform, rather large. Capsule pedicellate, pedicel 
scarcely longer than pericheetial leaves ; oval, exannulate; 
lid conoid, bluntly-rostrate. Peristome double, the exterior of 16 
elongate-lanceolate teeth ; interior of 16 narrow filiform fugacious 
cilia, alternating with the outer teeth, obscurely united at the 
base. Leaves ovate-lanceolate, denticulate, shortly costate; 
areolation rather dense. 
\. A. curttpendula (Biidel). Br., XJniv. 2, p. 222. Schimp., Synops. 
Muscor., p. 476. Bryol. Brit., p. 316, tab. 22. Rabenhor.,* 
Bryothec. Europ., No. 289. Neckera curtipendula. Turner, 
Muse. Hib., p. 102. Engl. Bot., tab. 1444. Anomodon cui^- 
tipendulum, Hook, and Taylor, Muscol. Brit., Ed. 2, p. 137. 
Hab. On rocks and trees, chiefly in mountainous districts. Eruit- 
ing at Lough Bray. Very fine and large on Brandon Moun- 
tain, Kerry. Though not very common, it occurs in most of 
the counties of Ireland. 
