664 Proceedings of the Royal Irish Academy. 



Pellia, Eaddi. 



Jungermannia, Linn. PI. Suec. 1 ed., p. 399, n. 930 (1745), et Sp. PL 1 

 ed. 2, p. 1135, n. 23 (1753) ; Hook. Brit. Jung. tab. 47(1816). 

 Pellia, Eaddi in Att. Soc. Modena, 18, p. 49 (1818). Papa, 

 B. Gray, in Gray's Js^at. Ait. Brit. PL 1, p. 686, n. 12 (1821). 

 Scopuliiia, Duniort. Comni. Bot. p. 115 (1823). 



Perichsetiuni cup-shaped, nioutli lacerated. Colesule wanting. Cap- 

 sule quadrivalved, exserted on a succulent smooth footstalk. 

 Elaters persistent, mth two spires. 



1. Pellia epiphylla (Dill. L.), Paddi. Paroecious. Prond oblong, lobed 



and sinuate, thick and somewhat fleshy nerved or much thickened 

 in the centre. Pruit from the upper surface of the frond towards- 

 the extremity. Perichaetium anteriorly formed of the frond,, 

 mouth lacerated or dentate. Capsule exserted. 



Jungermannia epiphylla, Linn. Sp. PL 1 ed., 2, p. 1135; Hook. Brit. 

 Jung. t. 47, figs. 1, 4, 8, 1, 17 ; Engl. Bot. tab. 771 ; PL Dan. 2, 

 fasc. 6, tab. 359 ; Lindenb. Synop. Hep. p. 97 ; Ekart, Synop. 

 Jung. p. 63, t. 7, fig. 52 ; Taylor, in PI. Hib. p. 56. Pellia'Pab- 

 broniana, Eaddi in Att. Soc. Se. Modena, 18, p. 49 ; Cord a, in 

 Opiz, iSTatural. p. 654 ; Dumort. Eev. Jung. p. 27, et Hep. Eui'op. 

 p. 145 ; G. L. et IS". Synop. Hepat. p. 488 ; Eabenhor. Hej). 

 Europ. exsic. n. 31, 119, 274, 357. 



Hab. On moist clay banks and wet ground. Yeiy abundant in all 

 parts of Ireland. 



2. Pellia cahjcina (]!s'ees), Taylor. Dioecious. Prond linear-oblong,. 



dichotomously divided, concave, raised, and sinuate at the edges, 

 midrib well-defined. Pruit rising from the upper surface of the 

 frond over the michib. Perichtetium cup-shaped, subplicate, 

 fringed at the mouth. Calyptra inclosed. Antheridia imbedded 

 in the midiib on the upper surface of the frond. 



Jungermannia epiphylla, var. y. furcigera. Hook. Brit. Jung. t. 47, 

 f. 18, et 2, 3, 9, 10-12. Jungermannia calycina, Taylor, in PL 

 Hib. 2, p. 55 ; Engl. Bot. suppl. t. 2875. Pellia endivifoLa, 

 Pluk., Dicks., Lindb. Pellia calycina, iS"ees, Europ. Leber. 3, 

 p. 386 ; G. L. et IS". Synop. Hepat. p. 490 ; Eabenhor. Hepat. 

 Europ. exsic. n. 181, 242, 339; Cooke, Brit. Jung. p. 23, 

 fig. 172 ; Cogn. Hepat. Belg. p. 47. 



Hab. Shady moist places, sometimes altogether immersed in water. 

 Dunkerron, Kerry, Dr. Taylor. Tore Cascade and Cromaglown, 

 Dr. Carrington. Altadore glen, and Lough Bray, Wicklow ; very 

 large and fine at Glencar, Co. Sligo ; Glenballyemon, Antrim. 



