326 Proceedings of the Royal Irish Academy. 



Plagiochila asplenioides, L. var. devexa, Carr. Brit. Hepat., p. 56. 



On damp rocks, rare. 

 Plagiochila asplenioides^ L. var. minor. Carr., Brit. Hepat., p. 56. 



Carr and Pearson Exic, No. 88-222. Rare. 



32. Plagiochila spinulosa, Dicks. Dumort. Jungermania spinulosa, 



Dicks. Crypt, fasc. 2, p. 14. Hook, Brit. Jung., t. 14. On 

 rocks and moist banks, common. 

 Plagiochola spimdosa, Dicks, var. inermis, Carrington, Brit. Hep., 

 p. 60. On moist rocks, rare. 



33. Plagiochila punctata, Taylor in Lond. Jour, of Bot., 1844, p. 371. 



P. spinulosa, Ya,Y. punctata, Carr., Irish. Crypt, p. 19, t. ii., fig. 

 3, 1863. On damp banks and on rocks among FruUania. 



34. Plagiochila tridenticidaia, Taylor. Jungermania spinulosa, var. 



tridenticulata. Hook, Brit. Jung., p. 9, t. 14. On damp rocks 

 among Frullania, rare. 



35. Nardiaemarginata,Wa.vhdj:t, Gray. Jtmgermaniaemarginata,Wa.'ih.. 



Beitr. 3, p. 80. Hook., Brit. Junger., t. 27. On damp rocks, 

 common. 



36. Saccogyna viticulosa, Mich. Dumort. Jungermania viticulosa, 



Hook, Brit. Jung. t. 60. On damp banks and on rocks among 

 mosses, common. 



SUB-TEIBE FOSSOMBEONIE^. 



37. Pellia epiphylla, Linn, Dill. Jungermania epiphylla, Hook, Brit. 



Jung., tab. 47, figs. 1, 4, 8, 17. Eiver bank, common. 



38. Pellia calycina, Taylor ITees. Jungermania epiphylla, var. furei- 



gera. Hook, Brit. Jung., t. 47, f. 18, et 2, 3, 9, 10, 12. J. 

 calycina, Tayl. in Fl. Hib. 2, p. 55. On wet rocks. 



Stjb-teibe Metzgeeie^. 



39. Metzgeria furcata, Jjhin. Dumort. Jungermania f areata, 'Limi.,S-p. 



PL 1602. Hook, Brit. Jung., tab. 55, 56. On the trunks of 

 trees and on rocks. 



Metzgeria furcata, L. var. fruticulosa, Dicks, Lindberg. Junger- 

 mania fur cat a, var. aruginosa, Hook, Brit. Jung, iu textu ad 

 tab. 55, 56. On the trunks of trees. 



