HANDBOOK OF BRITISH HEPATIC^. 53 



Cooke Hep. f. 139; Carr. in Trans. Bot. 

 Soc. Ed. VII., 455 ; Carr. and Pears. Exs. 

 No. 44. Radula xalapensis, Lind. Hep. Hib., 

 p. 491. 



On boulders. 



Dioicous. Stem procumbent, pinnately branched, 

 rather rigid, the upper branches subfasciculate. 

 Leaves rather imbricate, roundish, 

 obtuse, entire, complicate at the 

 base and subdecurrent, lobule large, 

 rounded - cordate, mostly obtuse, 

 transversely protracted above the 

 stem, excised and rather embracing 

 at the base, plane or rather undulate 

 (ng. 38). 



The male spikes consist of three to 

 four pairs of perigonial leaves, each 3 8 - 



enclosing two anthers, they are at first seated near 

 the apex of small lateral shoots, but by the growth 

 of the terminal bud, appear at length basal. Carr. 



Radula aquilegia, Tayl 



Stems caespitose, subpinnate, depressed ; 

 leaves rather erect, convex, entire, rounded 

 obovate, margin recurved ; perichaetial leaves 

 deflexed ; perianth elongated, obconic. 



Jungermannia aquilegia, Tayl. Trans. Bot. 

 Soc. Edin. II., 117. Radula aquilegia, Tayl. 

 in Syn. Hep. p. 260 ; Gott. and Rabh. Exs. 

 No. 207 ; Cooke Hep. f. 139, 140; Carr. 

 and Pears. Exs. No. 43. 



