34 



HANDBOOK OF BRITISH HEPATIC^E. 



margin complicate, lobule convex ; perianth 



obovate, mouth contracted, somewhat toothed. 



Jungermannia microscopica, Mack. Fl. . ib. 



II., 59 ; Taylor Hook. Journ. 

 Lejeunia microscopica, Taylor in 

 Hep., p. 345 ; Cooke Hep. fig. 

 and Pears. Exs. No. 280. 

 Spruce. 



IV., t. 20. 



Gott. Syn. 



151; Carr. 



Cololejeunia, 



Amongst mosses, like a green stain. 



Scarcely visible to the naked eye, pallid green, 

 subpel lucid. Stems two to three lines long, slender, 



flexuous, sparingly branched, here 

 and there emitting short simple 

 pellucid rootlets ; leaves rather 

 distant, flattened, acuminate, 

 ovate - lanceolate, the elevated 

 cells at the margin giving the ap- 

 pearance of scrratures (fig. 26) ; 

 perigonial leaves more obtuse at 

 the apex, enclosing in the folds 

 one or two rufescent ovate an- 

 thers, perichaetial leaves binate, appressed to the 

 base of cup ; perianth tumid, obovate from a 

 narrow base, ecostate, twice longer than the leaves ; 

 peduncle pellucid ; capsule rounded-ovate, pale 

 brown, quadrifid. 



26. 



Lejeunia calearea, Lib. 



Thread - like, loosely and divaricately 

 branched ; leaves tranversely ovate, concave, 



