MOOEE — On the Mosses of Ireland. 
369 
1. A.compactum (Schwaegr.). SuppL, tab 2, Bryol. Brit.,p. 311, tab. 
6. Punck. Deutsch. Moose, tab. 5, f. 5. Rabenhor., Bryothec. 
Europ., ^0. 123. Bryol. Europ., vol. i. Monogr., p. 5, tab. 37. 
Gymnostomum sestivum, Hedw. Sp. Muse, tab. 2, f. 4. G. luteo- 
lum, Engl. 13ot., tab. 220. Hedwigia sestiva, Muscol. Brit., p. 
18. 
Hab. In the crevices of damp subalpine rocks. N'ear Bantry, Miss 
Hutchins, Fl. Hib. IN'ear a small lake on Galtee- more, Co. Tip- 
perary. Bare in Ireland. 
Sect. 3. Euweissiecs. Peristome of 16 teeth. 
29. Weissia. Hedw. 
Calyptra cuciilliform or cleft at the side. Capsule ovate, annul at(3, 
pedicellate. Peristome single, of 16 entire or perforated teetli, 
without a medial line ; lid with beak inclined. Leaves costate ; 
areolation rather dense. Inflorescence monoicous or dioicou.-s. 
Intermediate between Gymnostomum and Didymodon. 
Diagnosis of Species. 
Leaves channelled, linear-lanceolate, acute, 
incurved or crisped when dry, . .1. viridtjla. 
Leaves subflexuose, much crisped when dry, 2. W. cirehata. 
Stems elongated, leaves narrow, rigid and 
crisped when dry, . . . .8. "W. veeticfllata. 
1. W. viridula (Bridel). Bryol. Europ., vol. i., Monogr., p. 5, tab. 
21. Schimp.,Synop.Muscor., p. 50. Rabenhor., Bryothec. Europ , 
1^0. 169. W. contro versa (Hedw.). Hook, and Taylor, Muscol, 
Brit., p. 85. Bryol. Brit., p. 46, tab. 15. 
Hab. Dry banks and waste places throughout Ireland. This very 
common moss varies considerably in size and length of pedicel. 
At Howth on banks facing the sea a rather remarkable form 
is found, with capsules more cylindrical and with taller stems 
than in the typical form, 
2. W. cirrhata(Redw.). Sp. Muse, tab. 12, Bryol. Europ., vol. i., 
Monogr., p. 9, tab. 25. Bryol. Brit., p. 47, tab. 15. Rabenhor., 
Bryothec, Europ., ]N"o. 106. 
Hab. On rocks in mountainous districts. Yery fine on Sugar-loaf 
Mountain, county of Wicklow, on the side facing Bray. Fruit- 
ing in March. Howth, H.Orr. Mountains in the South of Ireland, 
Dr. Taylor, The nearly allied species, Weissia crispula, of 
Hedw., is still a desideratum to Ireland, The plant published 
in Fl. Cork, under that name, is not the right one, as I 
am informed by Mr. Carroll. 
R. I. A. PROC. — VOL. I.jSER II., SCIEXCE. 3B 
