236 HEPATIC .E. [Jungermannia. 



acutely emarginate at the apex, the segments acute straight, 

 stipules large ovate acuminate at the margin near the base 

 on each side unidentate, fruit lateral, calyces obovate sub- 

 plicate at the apex, mouth contracted, obtusely toothed. 



Jungermannia stipulacea. Hook. Brit. Jung. t. 41. Engl. Sot. t. 

 2536. 



HAB. Shady rocks, Scotland and Ireland, rare. 



56. /. Francisci ; stem nearly erect, simple or branched, leaves 



ovate concave acutely emarginated, stipules minute ovate 

 bifid, fruit terminal upon proper branches, calyces oblongo- 

 cylindrical, a little plaited, the mouth toothed. 



Jungermannia Francisci. Hook. Brit. Jung. t. 49. Engl. Bot. t. 

 2565. 



HAB. Moist banks, England and Ireland, rare. 



57. J. barbata ; stem procumbent nearly simple, leaves rotunda- 



to-quadrate tri-quadrifid, stipules lanceolate acutely bifid 

 laciniated at the margin, fruit terminal, calyces ovate, the 

 mouth contracted toothed. 



Jungermannia barbata. Hook. Brit. Jung. t. 70. Engl. Bot. t. 2517. 

 (J. quinquedentata. J 



HAB. Rocks, woods, and heathy spots, abundant, especially 

 in subalpine countries. 



58. J. albescens ; stem creeping branched, leaves very concave 



almost hemispherical emarginate, stipules ovato-lanceolate 

 obtuse, fruit terminal on short branches, calyces oblongo- 

 ovate, the mouth toothed. 



Jungermannia albescens. Hook. Brit. Jung. t. 82. and Suppl. t. 4. 



HAB. Summits of the highest mountains in Scotland, rare. 



59. J. reptans ; stem creeping stellatedly branched, leaves im- 



bricated on the upper side subquadrate incurved acutely quad- 

 ridentate, stipules broadly quadrate quadridentate, fruit radi- 

 cal, calyces oblong plicate, the mouth toothed. 



Jungermannia reptans. Hook. Brit. Jung. t. 75. Engl. Bot. t. 608. 



HAB. Woods and shady places, frequent. 



60. J. trilobata ; stem creeping flexuose branched, leaves imbri- 

 cated on the upper side ovate convex obtusely tridentate, 

 stipules broadly subquadrate crenate, fruit arising from the 

 lower part of the stem, calyces oblong subacuminate, the 

 mouth cleft on one side. 



