142 HANDBOOK OF BRITISH HEPATIC^. 



Dum. Rev. Jung. p. 16; Carr. and Pears. Exs. 

 231, 232. 



In mountains. (Plate III., fig. 4.1.) 



Diplophyllum Dieksoni, Hook., 



Stem ascending, simple ; leaves bifarious, 

 unequally two - lobed, coriduplicate ; lobes 

 narrowly ovate, acute, quite entire ; perianth 

 terminal, ovate, mouth scarious, somewhat 

 ciliate. 



Jungermannia Dieksoni, Hook. Br. Jung. 

 t. 48; Eng. Bot. t. 2591; Cooke Hep. f. 55. 

 Diplophyllum Dieksoni, Dum. Rev. Jung. p. 16; 

 Carr. and Pears. Exs. No. 25. 



In Scotch and Irish mountains. (Fr. Aug.) 



Growing in small and densely-matted tufts. 



Stems to ^ inch long, thread-like, flexuous, a 

 little procumbent at the 

 base, the rest erect, un- 

 divided, or rarely with a 

 simple branch or innova- 

 tion. Leaves more or less 

 close, bifarious, spreading 

 or horizontal, frequently 

 secund towards the apex, 

 deeply divided into two un- 

 equal lobes or segments, the 

 inferior twice the size of the 

 superior, both of the same 

 "" figure, narrowly ovate with 



acute apices (fig. 101), margins entire, or slightly 



