ITANDr.OOK OK r.RITISH HKI'A'I'KM".. 211 



lobate, lobes plane, ovate, subacuminate,an{l denticu- 

 late, exterior bracts much smaller, and less deei)ly 

 cut. Perianth when younc^, ovate, tubular, turi^id at 

 the base, nearly free, mouth rosyciliate ; when ma 

 ture half adnate, mouth fimbriate. Caly[)tra not 

 much shorter. Capsule oblonL,r-i^lobose on a short 

 pedicel. Spores even. Elaters bispiral. — [Plate 6, 



fig' 77-) 



Nardia olivacea, Spnue. 



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. 



Marsiipella olivacea, Spruce Revue Bryol., 

 1 88 1, p. 97. Sarcoscypliiis Spnicei ^ decipiens, 

 Limpr. Flora; Jahresber Schleis., 18S1. 

 Sarcoscyp/itis adustiis, Gott. and Rab. Exs. 648 

 (partly). 



On rocks. 



Synoicous and parolcous, small, caespitose, olive 

 green. Stem J to ^ 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 



