Jungermannia.] H E P A T I C M. 229 



HAB. Moist heathy places. 



15. /. crenulata; stem procumbent branched, leaves orbicular 



margined, fruit terminal, calyces obovate compressed, longi- 

 tudinally quadrangular, mouth contracted toothed. 



Jungermannia crenulata. Hook. Brit. Jung. t. 37. Engl Sot. t. 

 1463. 



HAB. Moist heaths. 



16. J. sphcerocarpa ; stem ascending simple, leaves orbicular, 



fruit terminal, calyces oblongo- ovate cylindrical quadrifid 

 (capsule sphserical.) 



Jungermannia sphaerocarpa. Hook. Brit. Jung. t. 74*. 



HAB. Boggy places in the south of England and Ireland. 



17. J. hyalina; stem ascending flexuose dichotomous, leaves 



roundish slightly waved, fruit terminal, calyces oblong 

 angulate, mouth contracted quadridentate. 



Jungermannia hyalina. Hook. Brit. Jung. t. 63. 



HAB. Boggy places in the south of England and Ireland. 



18. J. compressa; stem erect divided, leaves orbicular the upper 



ones reniform appressed (stipules only upon the innovations) 

 fruit terminal, calyces immersed in the leaves oblong fleshy, 

 the mouth open quadridentate. 



Jungermannia compressa. Hook. Brit. Jung. t. 58. Engl. Bot. t. 2587. 



HAB. Mountain rivulets, Ireland. 



* * Leaves emarginate or bifid ; the segments equal. 



19. J. emarginata ; stem erect branched, leaves loosely imbricated 



patent obcordate emarginate, fruit terminal, calyces ovate 

 toothed immersed in the leaves. 



Jungermannia emarginata. Hook. Brit. Jung. t. 27. Engl. Bot. 

 t. 1022. 



HAB. Wet places, especially in subalpine countries ; near 

 cascades or rivulets. 



20. J. concinnata ; stem erect branched, leaves very closely imbri- 



cated erect concave ovate obtuse emarginate, fruit terminal, 

 calyces none. 



Jungermannia concinnata. Hook. Brit. Jung. t. 3. Engl. Bot. t. 

 2229. 



HAB. Rocks, especially such as are moist, in alpine 

 countries. 



P3 



