HANDBOOK OF BRITISH HEPATIC^. 261 



states of M. furcata, but the chief distinguishing 

 character seems to be the autoicous inflorescence, 

 which is remarkable in a genus where all the other 

 species are dioicous. 



GENUS 40. ANEURA, Dumort. 



Involucre cup-shaped, shortened ; perianth 

 none ; calyptra exserted, smooth, naked ; 

 capsule four-valved, coriaceous, valves bear- 

 ing elaters at the apex ; elaters terminal, 

 double, naked, densely spiral, persistent. 



Plants without leaves, frondose, fronds continu- 

 ous, without costae. 



A. Phymatia. Calyptra tuberculate ; peri- 

 chaetium submarginal. 



Aneura multiflda, Linn. 



Frond rosulate, documbent, bipinnatifid, 

 lobes dilated at the apex, horizontal, pinnati- 

 sect ; involucre very short, mouth fimbriate ; 

 calyptra clavate, tuberculate. 



Jungermannia multiflda, Linn. Sp. 1602 ; 

 Eng. Bot. t. 1 86; Hook. Br. Jung. t. 45. 

 Aneura multifida, Dumort. Comm. 115; Gott. 

 and Rab. Exs. 463; Cooke Hep. f. 176, 177. 

 Riccardia multiflda, Carr. and Pears. Exs. 

 No. 62. 



Jn wet places on heaths, &c. 



