Moore — On Irish Hepaticce. 617 



larney plant and specimens of R. Xalapcnsis, which he possesses, 

 from jSfew Granada, collected by Lindig, and from Talhdah 

 Palls, Georgia, U. S. 



2. Radula aquilegia, Taylor. Dioecions. Stems ceespitosc, compressed. 



Leaves distichous, convex on the upper surface, entire, obovate- 

 roundish, unequally 2-lobed, the lower lobe closely adpressed. 



Jungermannia complanata, /8. minor, Hook. Brit. Junger. t. 81, 

 fig. 17. J. aquilegia, Taylor, in Trans. Bot. Soc. of Edinb. 2, 

 p. 117. Radula aquilegia, Taylor, in G. L. et JST. Synop. Hepat. 

 p. 260; Cooke's Brit.'^Hepat. p. 19, figs. 139, 140; Dumort. 

 Hepat. Europ. p. 32. 



Hab. On rocks and trees. N"ot rare in the Killarney district. 



3. Radula comjilmiataiJAnn.), Jyxxmoriiex. Stems creeping, complanate. 



Leaves distichous, imbricated, unequally 2-lobed, upper lobe 

 large, and nearly round, lower lobe much smaller and ad- 

 pressed. Colesule terminal, oblong, compressed, truncate. 



Jungermannia complanata, Linn. Sp. PI. ; Hook. Brit. Jung. t. 81; 

 Engl. Bot. t. 2499. Candollea complanata, Bacldi, Jung. Etr. in 

 Mem. Modena, xi. Radula complanata, Dumort. Comm. Bot. p. 

 112; Syll. Jung. p. 38 ; Hepat. Em'op. p. 32 ; G. L. et K Synop. 

 Hep. p. 257 ; Rabenh. Hep. Europ. exsic. n. 17-361. 



Hab. On trees and rocks. Very common in every part of Ireland. 

 Varying considerably in size and general appearance in different 

 localities, and under peculiar circumstances. 



PoEELLA, Dillenius. 



Jungermannia, Rupp. El. Jen. 1 ed., p. 345 (1718). Porella, Dill. 

 Hist. Muse. p. 459, tab. 68 (1741); Linn, in Act. Tips. 1741, 

 p. 83 (1746) ; Lindb. in Act. Soc. Sc. Eenn. ix., 329-345 (1869). 

 Cavendishia,B. Gray, in Gray's Nat. Arr. Brit. PI. 1, p. 689 (1821). 

 Madotheca, Dumort. Comm. Bot. p. Ill (1823). Lejeunea, Corda, 

 in Opiz, Beitr. 1, p. 652 (1829). 



Colesule lateral, compressed. Capsule nearly sessile, univalvecl, 4-cleft. 

 Elaters with two spires. Anthericlia in the saccate bases of the 

 perigonial leaves. 



1. Porella Icevigata (Rupp., Schrad.), Lindberg. Dioecious. Stems pros- 

 trate, bipinnately branched, from 2-4 incheslong. Leaves incubous, 

 broadly ovate, dentate, une(iually 2-lobcd, the smaller lobe closely 

 pressed against the base of the larger lobe. Amphigastria quad- 

 rate, spinulose-dentate. Colesule dentate. 



Jungermannia laevigata, Schrader's Sammlung, n. 104; Hook. Brit. 

 Jung. tab. 35; Lindenb. Synop. Hepat. p. 18. Madotheca laevi- 

 gata, Dumort. Comm. Bot. p. Ill ; Syll. Jung. p. 34, et Hepat. 



