Moore — On Irish Hepaticce. 653 



appressed, trifid, sub-serrulate. Amphigastria wanting. Cole- 

 sule ovate. 



Jungermannia bicrenata, Lindenb. Synop. Hepat. p. 82 ; IS'ees, 

 Europ. Leberm. 2, p. 119; G. L. et N. Synop. Hepat., p. 115; 

 Dumort., Hepat. Europ., p. 78. Jungermannia excisa, Sm. 

 Engl. Bot. t. 2497 (excl. syn.) ; Ekart, Synop. Jung. t. 11, 

 fig. 93. 



flab. On the ground among heath, and on shady banks. Temple 

 Michael, Cork, Isaac Carroll, Esq. ; near Letterfrack, and 

 Kylemore, Co. Gal way (1874). 



^1. Jungermannia {L.) incisa, Schrader. Stems prostrate, subsimple. 

 Leaves accumbent, roundish-quadrate, undulate, trifidly cut, the 

 segments unequal. Involucral bracts 3-4 incised. Amphigastria 

 wanting. Colesule terminal, obovate, mouth toothed. 



Jungermannia incisa, Schrader, Samml., 2, p. 5 ; Hook. Brit. Jung, 

 t. 10; Engl. Bot. t. 2528; G. L. et K Synop. Hepat. p. 118; 

 Dumort. Syll. p. 56 ; Hepat. Europ. p. 80 ; Taylor, in Fl. Hib. 

 2, p. 61. Lophozia incisa, Dumort. Eev. Jung. p. 17 ; Cogn. 

 Hepat. Belg. p. 30. 



JIab. On the wet sides of turfy banks. Rare on the eastern and 

 northern sides of Ireland ; more abundant on the western, par- 

 ticularly in Connemara ; Corslieve Mountain, andBengore, Mayo; 

 near Kylemore, Galway ; abundant on the top of Mulrea Moun- 

 tain, Mayo. Near Cooneashana lake, Kerry, Dr. Carrington. 



Section D. Gyuxocolea, Dumortier. 



Involucre oligophyllous, bracts bifid. Colesule pedunculate, mouth 

 denticulate. 



52. Jungermannia (G.) laxifoUa (Hook.), Dumort. Stem lax, filiform, 

 prostrate. Leaves remote, ovate, acutely bifid, segments acute, 

 erect. Colesule subterminal, often from the axil of a young 

 branch, subplicate, mouth contracted, denticulate. 



Jungermannia laxifolia, Hook. Brit. Jung. t. 59 ; Engl. Bot. t. 2677 ; 

 Lindenb. Synop. Hepat. p. 34 ; Taylor, in Fl. Hib. p. 65 ; G. 

 L. et ]Sr. Synop. Hepat. p. 147 ; Rabenhor. Hep. Europ. exsic. 

 n. 343. Gymnocolea laxifolia, Dumort. Rev. Jung. p. 17, et Hepat. 

 Europ. p. 64. 



Hab. On rocks by the sides of rivulets. Near Bantry, Miss Hutchins. 

 Castlekelly Mountain, Dublin, and Aooreagh river, near Sneem, 

 Kerry, Dr. Taylor. Maghanabo glen, Connor Hill, and Brandon, 

 Kerry. Cromaglaun and Mangerton, Dr. Carrington. This 

 minute plant adheres closely to the rocks on which it grows, and 

 looks more like a minute Alga than a Hepatic. 



