Moore — On Irish llepatic(je. 655 



laria, Corda, in Opiz, Beitr. 1, p. 652 (1829). Gymnomitrium, 

 Nees, Nat. Eur. Leber. 1, p. 120 (1833); Solenostoma, Mitt, in 

 Journ. Lin. Soc. 8, p. 51 (1864). 



Section A. Maesttpella (Dum.), Lindberg. 



Colesnle connately united with the involucral leaves and torus, toge- 

 ther forming an urceolate perianth. Capsule globose. Elaters 

 with two spires. Antheridia in the saccate bases of the perigonial 

 leaves. 



1. Nardia emarginata (Ehrh.), B. Grr. Stem erect. Leaves distichous, 



imbricated, patent, obcordate, emarginate. 

 Jungermannia emarginata, Ehrh. Beitr. 3, p. 80 ; Sm. Engl. Bot. 

 t. 1022; Hook. Brit. Junger. t. 27; Taylor, in El. Hib. 2, p. 59; 

 El. Danica, t. 1945, f. 1. Nardius emarginatus, B. Gr. in Gray's 

 Nat. Arr. Br. PI. 1, p. 694. Marsupella emarginata, Dumort. 

 Comm. Bot., p. 114; Rev. Jung. p. 24, et Hepat. Europ. p. 126. 

 Sarcoscyphus Ehrharti, Corda, in Opiz, Natural., p. 652 ; G. L. 

 et N. Synop. Hepat. p. 6 ; Nees, Eur. Leberm. 1, p. 125. 



Hab. "Wet rocks and sides of mountain rivulets. Yery frequent in 

 Ireland. Several distinct forms or varieties which retain their 

 habits as to size, colour, &c., occur occasionally. 



Var. y. minor was found sparingly on rocks near the police barrack at 

 Cromaglaun, in 1873. 



2. Nardia sphacelata, Giesecke. Stem erect, branched. Leaves di- 



stichous, not so closely imbricated as in the previous species, patent, 

 obovate-emarginate, rounded at the acute apex. 

 Jungermannia sphacelata, Giesecke, in Lindenb. Synop. Hep. p. 76, 

 t. 1, fig. 9; Ekart, Synop. Jung. p. 15, tab. 11, fig. 91. Mar- 

 supia sphacelata, Dumort. Syll. Jung. p. 78. Sarcoscyphus spha- 

 celatus, Nees, Europ. Leber, p. 129 ; G. L. et N. Synop. Hepat. 

 p. 7 ; Rabenhor. Hepat. Europ. essic. n. 519-255. Marsupella 

 sphacelata, Dumort. Hepat. Europ. p. 127. 



Hab. "Wet rocks by the borders of mountain rivulets. Yery rare. 

 Loughbray, Wicklow, according to Dr. Carrington (British He- 

 paticse, p. 12), who states that Dr. Lindberg collected it there in 

 1873, growing with Nardia compressa. I have never seen an 

 Irish specimen of this plant, though Lindberg states, that it was 

 collected by me at Loughbray, Wicklow. 



3. Nardia Funclcii (Web. et Mohr), Carring. Stem erect, densely 



tufted, slightly branched. Leaves distichous, obovate, rounded, 

 concave, acutely emargiuate. 

 Jungermannia Eunckii, "Web. et Mohr, Dents. Krypt. p. 422 ; Lindenb. 

 Synop. Hepat. p. 77 ; Ekart, Synop. Jung. p. 14, t. 13, fig. 112. 

 Sarcoscyphus Eunckii, Nees, Europ. Leberm. 1. p. 135; G. L. 

 et N. Synop. Hepat. p. 8 ; Eabenhor. Hep. Europ. cxsic. n. 



E. I. A. PROC, SER. II., VOL. II., SCIENCE. 3 Q 



