HANDBOOK OF BRITISH HEPATIC/E. 



Monuicous. Densely imbricalcd, rormint;" wide 

 compressed tufts. Stems i ?, to 2 

 inches long-, creeping, variously 

 branched, branches again pinnate, 

 and innovant, with a few pellucid 

 radicles proceeding from the leaves. 

 Leaves closely imbricated, in a bi- 

 farious manner (fig. 

 36), concealing the 

 /stem, unequally 

 two-lobed ; superior 

 lobe much the 

 largest, orbicular, 

 nearly flat ; inferior 

 lobe ovate, ad- 

 36. 37- pressed, flat, often 



radiculose(fig. 37). Colour, pale yellow green. Peri- 

 chn^itial leaves differing little from the cauline ones, 

 except in the two lobes being more equal. Stipules 

 none. Calyx oblong, from a cylindrical base, be- 

 coming wider, compressed, flat at the apex and 

 truncate, nearly entire, or only cleft on one side. 

 Capsule ovate, pale brown, furrowed. Elaters 

 bispiral. 



Radula voluta, Taj/. 



Stem procumbent, pinnately branched ; 

 leaves aiiriculate behind, densely imbricate, 

 orbicular, entire, complicate at the base ; 

 auricle large, rounded-cordate, excised at the 

 base, and rather embracing the stem. 



Raditla voluta, Taylor in Syn. Hep. 255 ; 



