HANDBOOK OF BRITISH HEPATIC^. 151 



Stem creeping, branched ; leaves ovate, some- 

 what horizontal, diversiform, apex emarginately 

 bidentate, or tridentate, with the 

 middle tooth largest or multi- 

 dentate (fig. 105). Stipules free, 

 small, bifid, furnished with a small 

 tooth sometimes about the base ; 

 fruit terminal, perianth prismatic, 

 the angles without wings, mouth 

 laciniate, lacinise toothed, bracts 

 larger, many toothed at the apex, 

 sometimes with the dorsal margin serrate ; invo- 

 lucral stipules ovate and bifid. 



Lophooolea heterophylla, Schr. 



Stem ascending, branched, leaves accum- 

 bent, quadrate-rounded, entire, emarginate or 

 obtuse ; perichaetial leaves external, two or 

 three lobed, dentate ; stipules dissected ; 

 perianth terminal, mouth cristate. 



Jungermannia heterophylla, Schrad. Journ. 

 Bot. 1801, p. 66; Hook. Br. Jung. No. 31 ; 

 Mart. Erl. p. 140, t. 3, f. 12. Jungermannia 

 bicuspidata, Eng. Bot. t. 281. Lophocolea 

 heterophylla, Dumort. Rev. Jung. p. 17; Carr. 

 and Pears. Exs. No. 36; Cooke Hep. f. no. 

 112. 



On trunks. (Fr. Early Spring.) 



Growing in small loose patches, often amongst 



