Moore — On Irish Sepaticce 

 lEISH HEPATIC^. 



595 



Section I. Fkoxdos^. Maechajttiaceje. 

 Plants "with stems and leaves confluent in a frond. 



A. SCHIZOCAUP^. 



Family 1. IMapx'HAx^tie^. 

 •Capsules in aggregate capitula, pendent from a peltate receptacle. 



Dioecious. — ^lale receptacle pedunculated. 

 Loculi of the female receptacle 2-valTed. 

 Colesule 4-5 cleft, ..... AlAECHA^fxiA. 



Dioecious. — Fertile receptacle hemispherical, 

 ribhed in a ray-like manner, and lobed, 

 involucres attached to the under side of 

 the lobes, 1-3 fruited. Male receptacles 

 peltate, peduncled, with the antheridia 

 immersed, . . . . . . Peeissia. 



Dioecious. — Male receptacle sessile, disciform. 

 Loculi of the female receptacle tubulose, 

 1 -fruited. Colesule wanting, . . CojfocEPHALrrs. 



Monoecious. — Antheridia immersed in sessile 

 crescent-shaped disks on the frond. Fer- 

 tile receptacle, 4-5 lobed. Loculi 4-5, 

 single-fruited. Colesule wanting, . Asteeella. 



Dioecious. — Male receptacle almost sessile, pel- 

 tate, hairy. Female receptacle hairy, 

 elevated on a peduncle, 2- to 6- cleft. 

 Loculi 1-valved. Colesule wanting, . DinvioETrEEA. 



Dioecious. — Male receptacle sessile. Female 

 receptacle deeply cleft. Loculi tubulose, 

 1-valvcd, fleshy. Colesule wanting, . LirNrLAE.iA. 



Family 2. Taegioxie^. 



'Capsules solitary, situated near the apex of the frond, subsessile, bi- 

 valved, without a central columella. 



Dioecious. — Male receptacle sessile, inabivalved 

 loculus. Capsule shortly pedicellated, 

 situated near apex of frond, opening 



irregularly, 



Taegioxa. 



