Jungermannia.} HEPATIC^E. 65 



57. J. repfans, LINN. Stems caespitose ; leaves subquadrate, 

 incurved, acutely quadridentate ; stipules broadly quadrate, qua- 

 dridentate ; fruit dorsal ; calyx oblong plicate, the mouth 

 toothed. Linn, sp.pl.p. 1599. Hook. Br. Jung. t. 65. 



In woods ; common. 



58. J. trilobata, LINN. Leaves imbricated on the upper 

 side, ovate, concave, obtusely tridentate ; stipules broadly sub- 

 quadrate, crenate ; fruit dorsal ; calyx oblong subacuminate. 

 Linn. sp. pi. p. 1599. Hook. Br. Jung. 79. 



On the summit of Magillicuddy's Reeks. It varies much in size. 

 Fertile calyces have not yet been found in Ireland. 



* * Stipules nearly as large as the leaves, and very like them. 



59. J. juniperina, SWARTZ. Stem erect; leaves and stipules 

 lineari-lanceolate, bipartite, falcato-secund ; fruit terminal ; 

 calyx ovate, laciniated, the laciniae perichaetial. Sw. Fl. Ind. 

 Occ.p. 1855. Hook.Br. Jung. t. 4. 



On mountains ; common. The above applies to West Indian spe- 

 cimens. The Irish have the segments of the leaves nearly straight, 

 and are somewhat smaller in the sterns. 



60. J.julacea, LINN. Stems slender, nearly erect; leaves 

 and stipules ovate, deeply bifid, imbricated, erect ; those of the 

 perichaetium quadripartite, their segments lanceolate, acumi- 

 nated, subserrated ; fruit terminal ; calyx oblong, subplicate, the 

 mouth open, toothed. Linn, sp.pl. p. 1601. Hook. Br. Jung. t. 2. 



Usually on the higher mountains. A variety is found at Aooreagh 

 River, near Sneem, not two hundred feet above the level of the sea, in 

 which the serratures of the leaves are not to be observed, whilst the 

 leaves themselves are marginated. 



61. J. laxifolia, HOOK. Stems filiform; leaves and stipules 

 remote, erecto-patent, ovate, subcarinate, acutely bifid, their 

 segments acute, erect ; fruit terminal ; calyx oblong, subplicate, 

 the mouth contracted, toothed. Hook. Br. Jung. t. 59. 



On sides of rocky rivulets. Near Bantry, Miss Hutchins. At 

 Castle Kelly Mountain, near Dublin ; and at Aooreagh River, near 

 Sneera. 



62. J. setacea, WEBER. Leaves and stipules deeply bipartite, 

 the segments setaceous, jointed, patent, incurved; fruit terminal 

 on short proper branches ; calyx oblong, the mouth open, ci- 

 liated. Web. spicil. p. 155. Hook. Br. Jung. t. 8. 



On bogs and moist banks ; common. 



63. J. tricophylla, LINN. Leaves and stipules deeply 3 4- 

 partite, the segments setaceous, jointed, patent, straight ; fruit 

 terminal ; calyx oblong, the mouth contracted, ciliated. Linn, 

 sp.pl.p. 1601. Hook. Br. Jung. t. 7. 



On bogs ; less frequent than the last. 



H 



