228 BRYACE^. [Bryum. 



ovate-acuminate, the comal oblong-ovate, lanceolate, cuspidate 

 by the excurrent costa, bordered by a brown margin, reflexed 

 from the base to the middle, plane, and obscurely serrate at the 

 apex, soft, dirty green : male flower close to the female : capsule 

 horizontal or inclined on a long pedicel curving near the apex, 

 long-necked, i)yriforni, more or less incurved, microstome, yel- 

 lowish brown, darker when old ; Hd oblique, small, convex and 

 mamillate, orange ; segments split ; cilia rudimentary or none ; 

 annulus broad : spores minute, verruculose. — Bryol. Eur. t. 339. 



Hab. On decayed trunks, in wet places; plains and mountains, from 

 the Atlantic to the Pacific; rare. 



A variety with hermaphrodite flowers has been found near Twin Lakes, 

 Co\ora.do, by Wolf & Eothrock. 



Subgenus II. BRYUM, proper. 



Capsule inclined or pendent, ovate and oblong-pyriform, 

 rarely slightly incurved. Inner peristome free ; membrane 

 large ; segments long, perfect, separated by 2 to 4 cilia appen- 

 diculate at the articulations. 



* Flowers bisexual^ rarely polygamous. 



12. B. intermedium, Brid. Plants widely cespitose, green, 

 closely matted with radicles ; stems short, dividing into short 

 innovations: upper leaves oblong-ovate, lanceolate, the lower 

 shorter; costa stout, reddish, excurrent into a long remotely 

 denticulate point ; borders very entire, reflexed or revolute : 

 capsule hoiizontal or inclined or jjendent, oblong or pyriform, 

 its collum as long as the sporangium, slightly incurved, scarcely 

 narrowed under the orifice when dry ; lid convex-conical, apic- 

 ulate, persistent; cilia 2 or 3 ; annulus separating in fragments. 

 — Muse. Recent. Suppl. iv. 120; Bryol. Eur. t. 356. Webera 

 intermedki, Schwaegr. Suppl. i. 267, t. 75. 



Hab. Crevices of rocks and walls, exposed to the south; not rare. 



13. B. cirrhatum, Hoppe & Hornsch. Plants cespitose, 

 short and robust, with slender and long branches ; inner tomen- 

 tura dark brown : inner leaves ovate-lanceolate, the comal close, 

 numerous, long-lanceolate, acuminate, those of the branches 

 ovate-acuminate, all broadly margined and revolute on the 

 borders ; costa stout, fuscous, excurrent into a long distantly 

 denticulate or smooth point : capsule pendent, obovate or ob- 



