2IO HANDBOOK OF DKITISH HEPATICyt. 



Nardia Stabler!, Spruce. 



Dioicous. Stem creeping or erect, branched. 

 Leaves subimbricate, erect, broadl}^ ovate, 

 quadrate, complicate!}' keeled, bilobate ; lobes 

 acute. Female flowers terminal, opposite in- 

 novations. Bracts larger than the leaves. 

 Perianth C34indrical, when mature half adnate; 

 mouth fimbriate. 



Marsiipella Stablcri, Spruce ; Rev. Bryol., 

 1 88 1, p. 96; Carr. and Pears. Exs. No. 153. 



On rocks. 



Dioicous, small, densely csespitose, brownish 

 green, becoming purple, resembling copper wire, at 

 the head rosy-purple. Stem from a rhizomatose 

 base, small leaved, rarely without leaves, somewhat 

 erect or creeping, thread-like, J to § inch long, 

 and branched ; branches fastigiate, equally foliose, 

 female clavate, often dichotomous, or fasciculately 

 innovant. Leaves subimbricated, subpellucid, erect, 

 adpressed, broadly ovate-quadrate, complicatedly 

 keeled to one-half or one-third, bilobate, lobes acute, 

 rarely acuminate, entire or rarely with a tooth. Cells 

 hexagonal. Lower cauline leaves and all those of 

 sterile branches minute, closelyadpressed. Andrrecia 

 terminal or median on stem or branches, bracts three, 

 large, two to three times larger than adjacent leaves, 

 ventricose, bilobed one- third. Female flowers ter- 

 minal, opposite innovations, bracts much larger than 

 the leaves, not crowded, adpressedly imbricate, 

 broadly ovate, ventricose below, keeled above, bi- 



