248 



HANDBOOK OF BRITISH HEPATIC^. 



Bot. t. 2750, figs. 15, 16. Jnngermamna 

 Ralfsii, Wils. Eng. Bot. Supp., t. 2874, t. 2750, 

 figs. 15, 16. P ctalophylhim Ralfsii, Gottsche 



Hep., p. 472 ; Gott. and Rab. Exs. No. 

 Carr. and Pears. Exs. No. 214; Cooke 



f. 166, 167. Codonia Ralfsii, Dumort. 



Eur. p. 16, t. I, f. 2. 



Syn. 



448 ; 



Hep. 

 Hep. 



Dioicous. Growing close to the ground, with 

 spreading, obovate, forked divisions, sometimes 

 simply obovate, flattish, beset on the upper side 

 with erect lamellar processes, disposed in radii 

 towards the extremity of the frond, which is 

 somewhat emarginate, colour light green, tex- 

 ture rather flaccid, except the thick midrib which 

 is often lengthened out at the base of the frond, 



170. 171- 



and denuded so as to resemble a stipe. Midrib 

 covered beneath with fibrous radicles. Perianth 

 widening at the mouth, broad in proportion to its 

 length, the sides ribbed or lamellate. Calyptra 

 concealed. Capsule round, olive brown, opening 

 irregularly. Elaters bispiral (figs. 170, 171). 



