250 BRYACE^. [Cinclidium. 



ceous on the inside, shorter than the inner peristome, to which 

 they are adherent before becoming free by age, yellowish brown, 

 hygroscopical ; the inner formed of a cupuliform reticulate 

 membrane, pierced at the toj) by the point of the columella, 

 16-plicate and -carinate, the keels alternating wath the outer 

 teeth, solid, orange-colored, persistent as carinate columnar 

 remnants between the teeth after the falling- of the lid. Annulus 

 small, rudimentary, persistent. Sj)ores very large, brown or 

 green. 



1. C. stygium, Swartz. Stem blackish tomentose, simple 

 or bearing few branchlets, rather distantly foliate : lower leaves 

 scattered, round-ovate, obtuse, the upper crowded into a rosulate 

 tuft, abruptly broadly ovate or ovate-oblong from the narrowed 

 base, apiculate ; borders opaque, cartilaginous ; costa dirty 

 green or blackish in old leaves, subpercurrent : capsule pendent, 

 oblong-pyriform with an inflated apophysis. — Schrad. Journ. 

 V. 27, t. 2 (1801). Mnium stygium, Bruch and Schimp. Bryol. 

 Eur. t. 385. 



Hab. Rocky Mountains (Drummond). 



2. 0. SubrotundurQ, Lindb. Differing from C. stygimn 

 especially in its smaller size and bisexual flowers; the leaves 

 rounded from a very short narrowed base, emarginate and 

 obtusely short-apiculate, with the nearly flat borders narrowly 

 margined by a double row of dark red cells, the costa vanishing 

 below the apex, the cells large, disposed in diverging rows, 

 irregularly rhomboidal-oval, very slightly but uniformly thick- 

 ened, chlorophyllose ; the capsule small, very thin, inclined or 

 subpendent, globose-oval, purple and narrowed at the oiifice, 

 with a very shoi't collum, the lid very highly convex and very 

 shortly apiculate, the teeth yellow, linear-lanceolate, muticous; 

 the spores green and slightly smaller. — Mniac. Eur. in Faun. 

 Flor. Fenn. ix. 72. 



Hab. Greenland { Vald) and Labrador (Breutel), according to Lind- 

 berg. 



89. RHIZOGONIUM, Brid. 

 Stems simple, or rarely branching by innovations. Leaves 

 solid, rigid. Capsule obconical, cernuous, long-pedicellate. 

 Peristome double, perfect. 



