250 



HANDBOOK OF BRITISH HEPATICvE. 



broad. Fronds i 



or 2 to 4 inches long, oblong, 

 narrowest at base, 

 simple or once or 

 twice divided ir- 

 regularly, by short 

 lateral segments, 

 margin waved, en- 

 tire, or only cut 

 into a few short 

 unequal lobes, 

 which are flat or 

 curved, sometimes 

 innovant. The 

 whole plant has a 

 wide and con- 

 spicuous nerve. 

 Colour deep green. 

 Calyx bursting through the frond, tubular, some- 

 what plicate, mouth a little expanded, and irregu- 

 larly toothed. Calyptra ovate, becoming oblong, 

 in length twice or thrice exceeding the calyx. 

 Capsule pale greyish brown, four-valved. Elaters 

 bispiral, attached to the inner base of the capsule 

 in tufts (fig 172). 



172. 



Pellia calycina, Mack. 



Dichotomous, segments elongated, broadly 

 linear, palmatifid, rib stout, distinct ; involucre 

 exserted, cup-shaped, calyptra included. 



Jungermannia epiphylla var. 1 furcigera, 

 Hook. Br. Jung. t. 47, f. 18. Jiingennannia 

 calycina, Mack Hib. II., 55 ; Eng. Bot. Siippl. 



