124 HANDBOOK of BRITISH HEPATIC^E. 



an obtuse notch, with the segments rather con- 

 nivent (fig. 84). Colour pale green, becoming 

 whitish when dry. Stipules distant, one between 

 each pair of leaves, nearly the width of the stem, 

 ovate - lanceolate, entire. Calyx oblong, even, 

 mouth contracted and denticulate. 



Sub-tribe V. SCAPANIOIDE&. 



Stems producing only a few lateral branches. 

 Leaves complicately bilobed, antical lobe 

 smaller. Perianth from the front compressed. 

 Elaters dispiral. 



GENUS 19. SCAPANIA, Dumort. 



Involucre bifoliate, conforming to the other 

 leaves. Perichaetial leaves two-lobed, condu- 

 plicate. Perianth compressed on the back, 

 apex truncate, at first decurved. Capsule four- 

 valved, coriaceous, not cellular, nor pellucid, 

 decussate, naked. Elaters double, naked, 

 deciduous. Dumort. Rev. Jung. p. 14 (1835). 



Dioicous. Perianth terminal, smooth, obovate, 

 compressed from before backwards, from a con- 

 tracted base, mouth truncate, bilabiate, entire or 

 toothed, decurved. Involucral bracts two, free, re- 

 sembling the ordinary leaves, capsule ovate, four- 

 valved, cleft to the base. Elaters bispiral. Carr. 

 Hep. 73. 



Growing in woods, on moist rocks or boggy 

 places, in conspicuous tufts. Leaves alternate, 



