Moore — On the Mosses of Ireland. 
415 
52. Amblyodon. p. Eeauvois. 
Calyptra inflated at the base, constricted at the mouth, split at 
the side, fugacious. Capsule oblong-pyriform, sub-cernuous. 
Peristome double ; outer teeth 1 6, shorter than the inner peris- 
tome, which consists of 16 long carinate processes, without 
intermediate ciliolse. Leaves spreading, of a broadly lanceolate 
form ; nerve not reaching quite to the apex ; areolation large, 
loose, of a rhomboidal form. Inflorescence monoicous or poly- 
gamous. 
1. A. dealhatus (P. Beauv.). Prodr., p. 41. Schimp., Synops. 
Muscor., p. 403. Bryol. Brit., p. 267, tab. 28. Rabenhor., 
Bryothec. Europ., IN'o. 99. Meesia dealbata, Hedw., Sp. Muse, 
p. 4, tab. 41. Bryum dealbatum, Dickson, PI. Crypt. Fasc. 
2, tab. 5, f. 3. Muse. Brit., Ed. 2, p. 196. 
Hab. Wet marshy moors, and low ground among the sand-hills 
on the coast. IN'orth of Ireland (Templeton). PL Hib. On 
a flow bog in the parish of Easharkin, Antrim, 1837. Abundant 
in hollows among the sand-hills between Malahide and 
Portrane. 
Tribe 11. Hookeeie^. 
53. DiLTOJfiA. Hook, et Tayl. 
Calyptra conico-mitriform, ciliated at the base. Capsule pedieellated, 
erect, oval, or oval-oblong, slightly swollen at the neck, without 
annulus ; lid rostrate, beak straight. Peristome double, exterior 
teeth 16, spreading, trabeculated, and marked with a medial 
line ; inner peristome membranous, divided nearly to the base 
into 16 cilia, as long as the outer teeth. Leaves spreading almost 
regularly round the stem, lanceolate or linear-lanceolate, with 
a thickened entire border ; areolation rather close, formed of 
rhomboidal cellules. 
1. D. splachnoides (Hook, and TayL). Muscol. Brit., p. 139. Bridel. 
BrioL Univ. 2, p. 255. Bryol.Brit., p. 418, tab. 22. Raben- 
hor., Bryothec. Europ., I^o. 579. ITeckera splachnoides, 
Smith, Engl. Bot., tab. 2564. Hookeria spalachnoides, Taylor, 
in El. Hib., p. 36. 
Hab. Moist shady rocks and banks, rarely on trees. Secghane 
mountain, near Dublin, Dr. Taylor ; Tore waterfall ; Croma- 
gloun ; and Purple Mountain, Killarney ; Brandon mountain ; 
also on the mountains between Tralee and Dingle, Kerry. 
