HANDBOOK OF BRITISH HEPATIC^E. 1 47 



Sub-tribe VI. EPIGONIANTHEM. 



Leaves succubous or transverse (never in- 

 cubous). Flowers acrogenous. Perianth, when 

 perfect, normally compressed from the side. 

 Elaters dispirous, rarely monospirous. 



Genus 21. LOPHOCOLEA, Duniort. 



Involucre small leaved, perichaetial leaves 

 multifid. Perianth sessile, erect, cylindrical, 

 three-cornered above, mouth three-lobed, 

 cristate. Capsule four-valved, coriaceous, 

 naked. Elaters double, naked, deciduous. 

 — Dumort. Hep. Eur. 83. 



Plants stipulate, leaves subcurrent, bifarious, 

 flattened, divided. Perianth cristate. 



Lophocolea bidentata, L. 



Stem procumbent, branched ; leaves accum- 

 bent, obliquely-ovate, bicuspidate, acuminate, 

 sinus sublunate ; perichaetial leaves bipartite, 

 laciniae acuminate, dentate. Stipules lacini- 

 ate, segments linear. Perianth terminal. 



Jungermannia bidentata, Linn. Sp. 1598; 

 Engl. Bot. t. 606 ; Hook. Br. Jung. No. 30; 

 Muse. Britt. 235. Lophocolea Hookeriana, Nees 

 Eur. Leb. II., 336. Lophocolea bidentata, Du- 



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