2 8o HANDBOOK OF BRITISH HEPATIC^:. 



Riccia glauca, Linn. 



Frond dichotomously divided, substellate ; 

 laciniae obovately-linear, emarginate, bilobate, 

 plane, channelled at the apex, punctate ; 

 margin membranaceous, of the same colour 

 beneath. 



Riccia glaitca, Linn. Sp. 1605; Eng. Bot. 

 t. 2546; Lindenb. Mon. p. 417, t. 19; Cooke 

 Hep. fig. 197 ; Carr. and Pears. Exs. No. 138. 

 Riccia crystallina o, Hook. Eng. Fl. V., i., 



p. 98. 



In glaucous green tufts, on moist ground. (Fr. 

 Spring.) 



var. a major, Roth. Frond radiate, laciniae 

 obovate or obcordate, rather bilobate, crenate 

 at the apex, extremities plane or channelled. — 

 Lind. Mon. t. xix., f. 12, 13. 



Lichen minor, Dillw. Muse. 533, t. 78, f. 10. 



var. /3 minor, Lind. Frond and lobes some- 

 what triangular, sulcata. — Lind. Mon. t. xix. 

 (figs. 14, 15). 



Lichen minor, Dillw. Muse. 533, t. 'j'^, f. 13. 



Fronds forming roundish patches, conspicuous 



by their glaucous hue. Of a 

 thick rather fleshy substance, 

 and firmly fixed to the soil 

 by fibrous radicles (fig. 195)- 

 Fruit disposed beneath the 

 surface, in furrows radiating 

 from the centre of the frond, and running along 



