HANDBOOK OF BRITISH HEPATIC^. 75 



Growing in dense matted tufts some inches 

 broad. Stems 2 to 3 inches long, slender, of a red- 

 dish-brown colour, erect, simple, or 

 irregularly dichotomous. Leaves bi- 

 farious, erect ; adpressed, so closely im- 

 bricate as to conceal the stem, quadrate 

 but broader than long, somewhat em- 

 bracing, divided from the apex to one- 

 fifth of the base into four equal 

 lanceolate, erect segments, which are 

 keeled on their inner surface, and fur- 

 rowed on the outer ; margins recurved, 

 here and there beset with unequal strong 

 teeth,generally pointed downwards. The 

 texture rigid and brittle when dry. Colour pale 

 yellowish brown. Perichaetial leaves larger than 

 the rest, the divisions more numerous, margins 

 more recurved, and teeth larger, and more abun- 

 dant. Calyx oblong, plicate, mouth toothed, but 

 not contracted (fig. 56). 



Anthelia filum, Dumort. 



Stem erect, nearly simple ; leaves bifarious, 

 closely incumbent, palmate, two-spurred at 

 the base, segments entire, stipules none. 



Jungermannia setiformis ft alpina, Hook. Br. 

 Jung. t. 20, f. 1,3, 4. Jungermannia filum, 

 Dumort. Syll. Jung. p. 64. Anthelia filum, 

 Dumort. Rev. Jung. p. 18; Hep. Eur. p. 98. 



Amongst moss. 



This differs from Anthelia setiformis in the 



