MooKE — On Irish Hejxdicce. 621 



tlie ampliigastrial axils as perichsetia, or antheridia, generally two, 

 rarely more, or singly in ttie axils of the nppermost leaves, or 

 in the frondose forms, fixed over the anterior face of the stem or 

 immersed in it, the foot-stalk straight, hardly ever arcnately 

 curved. Paraphyses sometimes present, usually filiform." — Lind- 

 bcrg. 



Subsection f . OpisTffOGAMiE. 



■" Stem irregularly branched by bifurcation at the apex, or with 

 branches from the amphigastrial axils, sometimes pinnate or de- 

 compound. Leaves incubous or succubous, very rarely condupli- 

 cate, entire or lobed. Amphigastria present, at least in the 

 perichsetium of all, very like the leaves, or more or less ovate, undi- 

 vided or lobed. Gamoecium dioecious, autoecious, rarely paroecious, 

 Female branch proceeding from the amphigastrial axillae, almost 

 always short. Colesule triangular, very rarely round, compressed 

 or wanting. Antheridia on a proper branch, proceeding from 

 the amphigastrial axil, hardly ever placed in the foliar axillae of 

 the stem itself. Paraphyses none." — Lindberg. 



Sub-tribe 3. Lepidozie^. 



Lepidozia (Linn.), Dumortier. 



Jungermannia, L. Sp. PI. 1, ed. 2, p. 1833 (1758); Hook. Brit. Junger. 

 (1816). Blepharostoma, Dumort. Syll. Jung. Eur. p. 65 (1831). 

 Pleuroschisma, sect. 2, Lepidozia, Dumort. Syll. Jung. Eur. 

 Mastigophora, Nees, Nat. Eur. Leber. 1, p. 95 (1833). Lepidozia, 

 Dumort. Eecueil, 1, p. 19 (1835) ; G. L. et IN"., Synop. Hepat. p. 

 200 (1845). 



Involucre polyphyllous, imbricated on every side, scale-like and 

 denticulate at the apex. Colesule cylindrical, sulcate, denticulate 

 at the mouth, peduncle not articulate. 



1. Lepidozia reptans(JJi-mi.),^J)\\movi\eT. Stems csespitose, creeping, and 



irregularly branched, varying from one to two inches in length, 

 flagilliferous. Leaves incubous, decurved, sub-quadrate, acutely 

 3-4 toothed. Amphigastria wider than the stem, quadrate, 

 quadridentate. Colesule dorsal. 

 Jungermannia reptans, Linn. Sp. PL, 1599 ; Hook. Brit. Jung., t. 75; 

 Engl. Bot. t. 608 ; Lindcnb. Synop. Hepat., p. 44 ; De JSTotar. 

 Prim. Hepat. Ital. p. 21. Lepidozia reptans, Dumort. Eev. 

 Jung. p. 19, et Hepat. Europ. p. 109; G. L. et IST. Synop. 

 Hepat. p. 205 ; Rabenhor. Hepat. Europ. exsic, 282-479. Mas- 

 tigophora reptans, Nees, Leber. Europ. 3, p. 31. 



Hab. "Woods and bushy banks. This beautiful plant occurs in moro 

 or less abundance in every county in Ireland. 



2. Lepidozia cupressina (Sw.), Dum. Stems subercct, densely packed to- 



gether and closely pinnate. Leaves subcordate, oblique, quadrifid 



