HANDBOOK OF BRITISH HEPATIC^. 167 



rent, quite entire (fig. 119). Stipules broadly 

 subulate, in the older stems obsolete, hence 

 sometimes described as absent. 



Bracts longer than the cauline leaves. Perianth 

 cylindrical, sometimes slightly curved, mouth 

 shortly lacinate. 



Aplozia crenulata, Sm., Dum. 



Stem creeping, branched, leaves rather re- 

 mote, erect, orbicular, marginate, entire ; 

 stipules none ; perianth terminal, obovate, 

 compressed, quadrangular, mouth truncate. 



Jungermannia crenulata, Sm. Eng. Bot. t. 

 1463 ; Hook. Br. Jung. No. 57 ; Gott. and 

 Rab. Exs. No. 68, 172, 219, 360, 406 ; Carr. 

 and Pears. Exs. No. 26; Cooke Hep. fig. 59. 

 Aplozia crenulata, Dumort. Hep. Eur. p. 57. 



Bogs and moist places. 



Growing in densely-matted patches of considerable 

 extent. Stems about I inch 

 long, filiform, flexuous, rarely 

 simple, mostly once or 

 twice irregularly divided, 

 innovant Leaves rather 

 distant on barren shoots, 

 crowded and imbricated on 

 fertile ones,erect, diminishing 

 in size downwards, generally 

 spreading, nearly orbicular, 



concave, with the margin plane, cells of the margin 

 quadrate, forming a conspicuous border (fig. 120), 

 colour green, dull olive, with the extremities and 



