I 



Moore — Oti Irish Kepatkce. 611 



Libert, in Ann. Gen. Sc. Phys. 6, p. 372, tab. 97 (1820). Pandul- 

 phinia, E. Gray, in Gray's Nat. Arr. Br. PI., 1, p. 233 (1821). 

 Marchesinius, B. Gray, I. c. p. 689. Phragmicoma, Dumort. Coram. 

 Bot., p. 112 (1823). Colura, Dumort. Recueil, 1, p. 12 (1835). 

 CJoIesnle obovate, angled or roundish, mouth, contracted and dentate. 

 Capsule 1-valved, deeply cleft, pedicels articulated. Elaters 

 doubly spired, adhering to the apices of the segments of the 

 capsules. Antheridia in axils of perichsetial leaves. 



Lejeujsteottptjs, Dumort. Lindb. 



a. Leaves acuminate, or acute at their points. 



1. Lejeunea calyptrifolia (Hook.), Dumort. Dioecious. Stems creep- 



ing, in very minute compact tufts. Leaves 2-lobed, the upper 

 lobe large and peculiarly formed, resembling in no small degree 

 the calyptra of some mosses, the lower obtusely quadrate, invo- 

 lute. Colesule lateral, oblong, flat campanulate, 5-toothed, and 

 slightly contracted at the mouth. Antheridia from side of stem, 

 not in axils of the leaves. 



Jungermannia calyptrifolia, Hook. Brit. Jung., t. 43 ; Engl. Bot., 

 2538 ; Lindcnb. Synop. Hepat., p. 24; Ekart, Synop. Jung. Germ., 

 p. 59, t. 10, f. 86. Lejeunea calyptrifolia, Dumort. Comm. Bot., 

 p. Ill; G. L. et N. Synop. Hepat., p. 403; Cooke, Brit. 

 Hepat., p. 21, fig. 156. Colura calyptrifolia, Dumort. Eev. 

 Jung., p. 12 ; Hepat. Europ., p. 17, 



Hab. On trees, stems of furze, heath, and rarely on bare rocks. 

 Glengariff, Miss Hutchins. Near Dunkerron, Dr. Taylor, in Elora 

 Hibernica. Tore Mountain, on the stems of pines, AV. "Wilson, 

 and Dr. Carrington. On the bare rock at Connor Hill, Kerry, 

 where it was observed in some quantity by Dr. Lindberg and 

 myself, in July, 1873 ; also near the police barrack. Upper Lake, 

 Killarney, on rocks, during same month. 



2. Lejeunea hamatifoUa (Hook.), Dumort. Autoecious. Stems very 



slender, minute, creeping and adhering closely to the siirfaces on 

 which they grow. Leaves unequally 2-lobed, the lower about 

 half the size of the upper, the latter acuminated, incurved, 

 coarsely serrated. Amphigastria small and bidentate. Colesule 

 pentagonal, with crested ridges. 



Juugermannia hamatifolia. Hook. Brit. Jung., t. 51 ; Engl. Bot., t. 

 '2592 ; Lindenb. Synop. Hep., p. 23 ; Taylor, El. Hib., p. 2, p. 



67. Lejeunea hamatifolia, Dumort. Comm. Bot., p. Ill; Syll. 



Jung., p. 52, ct Hepat. Europ., p. 20 ; G. L. et IST. Synop. 



Hepat., p. 344; Rabenh. Hepat. Europ. cxsic. n. 215-476. 

 Hab. On the trunks of trees, and on bare rocks. This species, which 



is so plentiful in the Killarney woods, is rare on the eastern 



coast and northern counties. I collected it at Glenarm, and 



