l8o HANDBOOK OF BRITISH HEPATIC^. 



innovant about the apex, innovations subcylin- 

 drical, primary leaves semi-vertical, oblique, spread- 

 ing, roundish, for the most part concave, two or four 

 toothed, teeth acute, nearly equal, inflexed when 

 dry, on the innovations closely imbricate, ovate, 

 nearly quadrate, irregularly two to four toothed ; 

 stipules none, or subovate, bifid, segments entire, 

 involucral leaves two, tridentate, spreading. Peri- 

 anth terminal, oblong, plicate at the apex. — {Plate 



4, fig- 52.) 



Jungermannia barbata, Schr. 



Stem ascending, branched ; leaves sub- 

 quadrate, 3-5-fid ; perichaetial leaves similar ; 

 stipules bipartite, laciniate ; perianth oval, 

 terminal. 



Jungermannia barbata, Schreb. Spic. 107 ; 

 Hook. Br. Jung. No. 70; Cooke Hep. f. 

 Sy, 88 ; Carr. and Pears. Exs. No. 244. 

 Jungermannia quinquedentata, Huds. Angl. 

 p. 511; Engl. Bot. t. 2517. 



var. fi Flcerkii, W. and M. Mart. Erl. p. 144, 

 t. 4, f. 17 ; Carr. and Pears. Exs. 106, a. b. 

 Leaves connivent ; lacinice of the stipules awl- 

 shaped, very long. 



var. u quinquedentata, Nees Eur. II., p. 196 ; 

 Carr. and Pears. Exs. No. 107. Leaves with 

 the teeth rather obtuse ; stipules minute. 



In woods and heathy places. (Fr. April.) 



Growing in more or less densely-crowded patches, 



