392 MUSCI. nryum. 



8. B. Tozeri, Urev. stems clustereil, 3 to 5 lines higli, reddish : lower leaves 

 remote, obovate, the u])pcr mure crowileil, loiig-decurreut, broadly obovate, acuminate, 

 entire, costate to the middle, with loose areolation, surronnilcd by a narrow reildish 

 border ; on the branches more or less regularly unetjual : capsule pendulous on an 

 arcuate pedicel, obovate or j)yrifurm, symmetrical, with broad conical operculum and 

 double aniudus : teeth yellowish, the inner thin and hyaline. — Scot. Crypt. Fl. 

 t. 285 ; Jirucli & Scliimp. 1. c, t. 353 ; Wilson, 1. c, t. 50 ; Sulliv. k Lesq. iMusc. 

 Am.-Bor. E.xsicc. 2 eil. u. 272. Weiera Tuzeri, Schimp. 



Borders of ditelits and roads about San rraueisco, Oakland, t'tc, Bifjclow, Bolandcr. European. 



9. B. albicans, Bridel. Loosely cespitose, pale glaucous-green ; stems \ to 3 

 inches higli, erect or decumbent, reddish or dark i)urpk) : lower leaves remote, ovate- 

 acuminate, the upper longdanceolate, serrate above, s[)reading : male flowers discoid : 

 capsule inclined or peiululous, short-pyriibrm, green, at length brown, subglobose 

 Avhen dry, with small operculum and no anuulus : teeth large, orange. — Wilson, 

 Eng. Bot. Suppl. t. 2830. Ji. WuhleuUnjii, Schwaegr. Siipj)!. t. 70 ; Bruch & 

 Schimp. 1. c, t. 354 ; Wilson, 1. c, t. 47 ; Sulliv. Si Lesq. Muse. Am.-Bor. Exsicc. 

 n. 275. Webera atbicans, Schimp. 



In Dardanelles Canon, and a more slender form on rocks watersd liy springs near San Francisco 

 {Bolandcr) ; East Jinmboldt Mountains, Nevada, and in the AVahsatili {U'atsoii) ; Gallon Jloun- 

 tains {Lyall) ; also Eurojiean. 



§ 2. Stems vmstly innoiuUliKj from the summit: leaves broader, irith rliomhic- 

 hexar/onal. areolation : eaj)suie pi/riforin: inner teeth interrnpted/i/ de- 

 hiscent; cilioloi ivhen 2)resent transversely a2)pendicnlate at the joints. — 

 BuYUM proper. 



* Inner peristome more or less adherent to the outer : ciliola: often imperfect or 

 none: Jiowers bisexual and joobjyamous : leaves cuspidate, costa excurrent. 



10. B. ai'Cticum, Bruch & Schimp. Stems loosely cespitose, 3 or 4 lines high 

 or more, purplish : leaves at length reddish, below ovate-lanceolate, the up})er ovate- 

 oblong, acuminate, with revolute margins and ferruginous bcjrder : cajjsule pendulous, 

 clavate-pyriform, slightly incurved, pale brown with reddish mouth, small yellow 

 conic-mamillatc operculum, and broad annulus : peristome small, the inner adherent 

 to the teeth, with very short cilioUe. — Bryol. Eur. t. 335. ruhlia arctica, Iv. Brown; 

 Schwaegr. Su[)pl. t. 172. 



On ^[ount Dana (Bolnndcr) ; Greenland to Labrador, and in Europe. 



11. B. cernuum, Bruch & Schimp. Densely cespitose; stems branched, with 

 numerous rhizoiils : upper leaves densely crowded, rather rigid, erect-spreading, 

 ovate-lanceolate, carinate-concave, the narrowly bordered margin somewhat reflexed, 

 serrate above or entire : capsule pendulous, ovate- or oblongpyril'urm, with tmall 

 persistent apiculate-conic operculum and broad annulus : inner peristome adherent 

 to the outer, the processes and long cilioLx only partially free. — Bryol. Eur. t. 331 ; 

 Wilson, 1. c., t. 48; Fl. Dan. xv, t. 2G13, fig. 2. C ynodontiiini cermmm, Iledw. 

 Muse. Frond, t. 9. B. pendulum, Schimp. 



On Mount Dana (Z?rt/a7irfcr) ; West Humboldt Mountains, Nevada {iratson) ; Arctic America 

 to the nortliein Atlantic States, and througbout Europe. 



12. B. inclinatum, Bruch & Schimp. Lesendding the last ; usually loss tufted 

 anil shorter: leaves more rellexed and usually more broadly margined : operculum 

 a little broader and less acute, sooner deciduous : inner teeth of the peristome free 

 and ciliolaj only rudimentary. — Bryol. Eur. t. 334 ; Wilson, 1. c, t. 49. J'o/diu 

 indinata, Swart^ ; Schwaegr. Suppl. t. 03. 



On rocks at Clark's, Yosemite Valley (//o/coir/rr) ; rocks and .streanibanks. East Humboldt 

 Mountains, Nevada (ll'atson) ; Arctic America, and tluougbout Europe. 



13. B. Warneum, r.land. Loosely tufted, simple or sparingly branched, Mith 

 muuerous rhizoids, the innovations more or less llagelliform : leaves spreading, ovate- 



