118 Proceedings of the Royal Irish' Academy. 



Scapania undulata, var. purpurascens^ Huben. Hepat. Grerm. "Wet 

 boggy place near Ballykill. 



22. Scapania neniorosa, Dumort, Carrington. Brit. Jimg. pt. 4, p. 74, 



pi. 5, fig. 15. Amongst the damp rocks opposite Sutton. 



23. Diplop>hyllum albicans (Liiiu.), Dumort. Hook. Brit. Jung. t. 23. 



On moist banks ; frequent on most parts of the hill ; plentiful 

 on Ireland's Eye. 



24. Jungermatiia (Aplozia) cre7mlata, Smith.. E. Bot. t. 1463; Hook. 



Brit. Jung. t. 37. On moist, turfy banks; A'ery fine, in fruit; 

 plentiful on most parts of the hill. 

 Jungcrmania {Aplozia) crenulala, var. gracillima. J. gracillima, 

 Smith, E. Bot. t. 2238. On a ditch-bank near the Lighthouse, 

 and on the hard ground, amongst rocks, on the Sutton side, 

 2o. Jungermania i^Aplozid) splicerocarpa. Hook. Brit. Jung. t. 74. 

 Aplozia splicer car pa, Dumort. Hepat. Europ., p. 61. Very 

 scarce ; in a boggy place near the quarries opposite Sutton. 



26. "^Jungermania {Sphenololum) minuta, Crantz. Hook. Brit. Jung. 



t. 44, E. Bot. tab. 2231. Diplo2jhylhi)n minutmn, Dumort.- 

 Rev. Jung., p. 16, et Hep. Eur., p. 49. Bare ; on a heathy 

 bank among rocks, near a small bog at Ballykill. 



27. '■^'Jungermania {Lop)hozia) incisa, Schrader. Hook. Brit. Jung. 



t. 10. Damp banks in several stations on the hill in small 

 quantities. 



28. "^^ Jungermania {Gymnocolea) inflata, Huds. Hook. Brit. Jung. 



t. 38. Oymnocolea inflata, Dumort, Bev. Jung. p. 17. Plenti- 

 ful on the Sutton side, near the quarries ; very fine on a small 

 bog near Ballykill; " Elat Rocks;" and side of a small stream 

 near Lighthouse green. 

 '^Jungermania (^Gymnocolea) inflata, var. co7npacta, Carrington. On 

 the top of Howth Hill, Dublin, where it grows among dry 

 rocks, and is green, not having the usually black colour of the 

 species (Dr. D. Moore on Irish Hepaticse,^). I have not 

 gathered this interesting form. 



29. iVflr^«« 5Cfl/«m (Schrader), B.Gr. Hook. Brit. Jung. t. 61. Damp 



bank, by the side of a stream near the Baily Lighthouse; plenti- 

 ful, marshy place, near the quarries opposite Sutton. 



30. Cesia crenulata (Gottsche), Carruth. Carrington, in Trans. Bot. 



Soc. Edinb., vol. 7, p. 3, tab. 1, fig. 5. Rocks on the HiU of 

 Howth : Dr. Moore. [Note — Though this locality for C. 



1 Proc. Eoyal Irish Academy, Ser. ii., Science, vol. ii., p. 654. 



