244 BRYACE^. [Mnium. 



stem-leaves narrowed at base, broadly obovate or Ungulate, the 

 comal longer, spatulate, recurved when dry, undulate on the 

 reflexed borders, with broad distantly serrate brown margins, 

 mucronate or apiculate by the stout excurrent costa ; perichatial 

 leaves lanceolate, entire, strongly costate : calyptra persistent : 

 capsules ovate, yellowish, soft, more or less inclined on the 

 curved pedicel, 1 to 3 in the same perichsetium ; lid convex, con- 

 ical-beaked, pale yellow ; outer peristome yellow, the inner 

 orange, — Suppl. i. 2. 136, t. 79; Bryol. Eur. t. 395. Bryum 

 rostratum, Schrad. Sjiicil. Fl. Germ. 72. 



Hab. Along woodland rivulets, wet sand or rocks wet by spray; not 

 rare ou the Eastern slope; not yet found on the Western. 



-1- -f— Floioers dioecious ; the male discoid. 



7. M. afflne, Bland. Plants large, widely and loosely ces- 

 pitose, sometimes stoloniferous ; leaves spreading, recurved 

 when dry and crispate on the borders; lower stem-leaves round- 

 obovate, those in the middle ovate-oblong, more or less decur- 

 rent, the upper crowded and rosulate, obovate and long-spatulate ; 

 outer perichiBtial leaves narrowly spatulate, the inner lanceolate, 

 all more or less abruptly acuminate and cuspidate by the stout 

 excurrent costa, bordered all around with an acutely dentate 

 margin : male flowers large : capsules clustered (1 to 3 or more), 

 pendent, oblong, glaucous-green until fully ripe, then yellowish 

 brown ; lid convex, apiculate ; peristome as in the preceding. — 

 Schwaegr. Suppl. i. 2. 134 ; Bryol. Eur. t. 397. M. cuspidatum^ 

 Neck. ; Lindb. Mniac. Eur. 63. 



Var. elatlim, Bruch & Schimp. Stems slender; stolons 

 erect : leaves bordered with a pale margin, with short and dis- 

 tant teeth : capsule shorter, generally solitary. 



Var. rugicum, Bruch & Schimp. Plants shorter, simple, 

 with shorter leaves ; those of the branches cordate, apiculate or 

 not, nearly entire : capsule smaller, inclined or cernuous. 



IIab. On the ground and shaded banks or roots of trees, common; 

 var. elntnm on damp sandstone rocks in woods, Southern Ohio. 



8. M. insigne, Mitt. Plants robust, yellowish green ; 

 stems simple, erect, remotely foliate, radiculose at the base only: 

 leaves oblong and oblong-lanceolate, cuspidate by the excurrent 

 costa, long-decurrent at the gradually narrowed base, sui'rounded 

 by a colored serrate margin ; outer perichajtial leaves longer, 

 the inner short, narrow, subulate : capsule long-pedicellate, half- 



