HANDBOOK OF BRITISH HEPATICVE. 211 



lobate,lobesplane,ovate, subacuminate,and denticu- 

 late, exterior bracts much smaller, and less deeply 

 cut. Perianth when young, ovate, tubular, turgid at 

 the base, nearly free, mouth rosy ciliate ; when ma- 

 ture half adnate, mouth fimbriate. Calyptra not 

 much shorter. Capsule oblong-globose on a short 

 pedicel. Spores even. Elaters bispiral. (Plate 6, 

 fig- 770 



Nardia olivacea, Spruce. 



Caespitose, small, rhizome creeping, without 

 leaves, apex erect. Leaves small, imbricate, 

 oblong, concave, or keeled, bilobed, sinus and 

 lobes obtuse. Bracts concave, shortly bilobate, 

 larger. Perianth variable, concrete half way, 

 mouth toothed. 



Marsupella olivacea, Spruce Revue Bryol., 

 1 88 1, p. 97. Sarcoscyphus Sprucei p decipiens, 

 Limpr. Flora; Jahresber Schleis., 1881. 

 Sarcoscyphus adustus, Gott. and Rab. Exs. 648 

 (partly). 



On rocks. 



Synoicous and paroicous, small, caespitose, olive 

 green. Stem ^ to 5- inch long, rhizome creeping, 

 subdivided, without leaves or with small ones, 

 apex erect, simple or innovant, fertile clavate 

 above, sterile thread-like. Leaves small, thick, 

 opaque, subimbricate, erect, adpressed, the upper 

 sometimes spreading at the apex, decurrent 

 and vaginate at the base, oblong, concave or 

 keeled, |- bilobed, sinus obtuse, lobes obtuse, 

 rarely abruptly subacute, cells minute. Invo- 



p 2 



