394 



Muscr. Jh 



19. B. provinciale, Philib. Cespitose, bright green, the stems 2 inches long 

 or more, sparingly branched : leaves densely rosulate, loosely imbricated and not 

 twisted when dry, the onter obovate, shortly acuminate, cuspidate with the excur- 

 rent stout red costa, concave, margins below recurved, minutely serrate at the apex ; 

 inner leaves narrower, more acuminate, margins more revolute : cajjsule long-obconic, 

 jjendulous upon a reil pedicel, orange-red ; operculum convex : teeth yellow ; cilioUii 

 strongly appendiculate. — Schimp. 8yn. 2 ed. 432. B. BUlanlerii, Brucli & Schimi). 

 1. c, t. 336. B. Caaariense, Schimp. Syn. 1 ed., not Drid. 



Ciifion on llonte Diablo {Bohmdcr) ; Europe. 



h. BIMUM, Sebreb., lias been collected in the East HuinlioUit Mountains, Nevada ( Jra/sou), 

 and in Wasbington Territory (Lij<dl), as well as in Britisb Amevica, tbe nortbern Atlantic 

 States, Europe and Soutb Anu'rica. Stems ^ to 2 or 3 incbcs bigb, matted witli red rbizoids, 

 yellowisb gieen above, dark brown below : leaves spreading, elliptic to oblong-lanceolate, sbortly 

 cuspidate, with rather broad margin and senate above : cajisule as in B. cirrhdliitn. Also re- 

 sembling B. pscudolriqudrum. — Bruch k Schimp. 1. c, t. 363 ; Wilson, 1. c, t. 49 ; Sulliv. in 

 Gray's ilan. 2 ed. t. 4. 



B. OuEGANUM, Sulliv. (jrusc. "Wilkes Expl. Exped. 10, t. 7), is densely cespitose, 4 or 5 lines 

 high, with very short bud-like innovations : leaves densely crowded, oblong or obovate-oblong, 

 acute, serrate above, margins rellexed and narrowly bordered, costa reaching the apex ; perichatial 

 leaves long-oblong, acuminate, with excunent costa : capsule subpendulous, clavate-oblong, 

 straight or slightly curved, constricted below the moutli when dry ; oiierculum rather small, 

 hemispherical, apioulate : inner teeth broad, widely gaping, the cilioliE in pairs and conspicuously 

 appendiculate. — Oregon, Pkkerinij. 



-t- -t- Flowers monoicious : costa exairrent. 



20. B. subrotundum, Bridel. Stem much branched, \vith short bud-like 

 innovations : lower leaves minute, ovate-acuminate, the upper densely imbricated, 

 broadly ovate- or oblong-lanceolate, concave with ilat margin, shortly awned, becom- 

 ing with age reddish brown with blackish costa : capsule inclined or subpendulous, 

 brown, round- or rarely oblong-pyriform, slightly contracted below the small orilico 

 when dry ; operculum minute, mamillate : peristome ferruginous at base, pale yellow 

 •vbove. — Bruch k. Schimp. 1. c, t. 3G1. B. pallescens, var. 8, same, 1. c, t. 300. 



On rocks, Yosemite Valley (ft;/aH(Zcr) ; British America (Z);vfm»Jon(0 ; Europe. 



B. PALI.ESCKNS, S.hwaegr., may be distinguished by its rather narrower and less concave 

 leaves with revolute margins, reddish at liase, and tbe clavate-pyriforni capsule with long colluni, 

 becoming contracted below the mouth, yellowish, at length reddish brown ; stems 1 or 2 inches 

 high. — Supid. t. 75 ; Brmh & Schimp. 1. c, t. 3.'.9 ; Wilson, 1. c, t. 48. In Washington Ter- 

 ritory and the Wahsatidi ; Arctic America to the northern Atlantic States, and in Europe. 



-1- -t- -1- Flowers dlcccions ; wale flowers bud-It Ice. 



++ Costa more or less excxirrent. 



21. B. caespiticium, Linn. Cespitose, pale green and somewhat sericeous, 

 ferruginous and tonientose below; stems 3 to 12 lines long: lower leaves minute, 

 lanceolate, the upper loosely imbricated, ovate- to oblong-lanceolate, long-cuspidate, 

 concave, margins entire, retlexed : capsule brown, iTiclined or pendulous, oblong- or 

 elongated-pyriform with broad mamillate yellow operculum : peristome ferruginous, 

 inner teeth broadly fissure.l. — Engl. Hot. t. 11)04; Bruch & Schimp. 1. c, t. 374, 

 375 ; Wilson, 1. c, t. 29 ; Fl. Dan. t. 25(55. 



In the Sierra Nevada, in several localities {Brewer, Bolander) ; West Humboldt :Mountains, 

 Nevada, and in the Wahsatcb {IValson); Washington Territory (Lyall) ; Arctic America to the 

 Atlantic States ; South America and the Old World. 



B. ATROPURPUREiiM, Weber k Mohr, is a similar species, with more shortly apiculate and 

 more loosely areolate leaves, the capsule oval with a turgid abruptly contracted coUum, pendulous 

 on an arcuate pedicel, red becoming dark purple, with a broad prominently convex ai>icu]ate 

 l)ale-purple operculum. — Bruch k Schimp. 1. c, t. 378 ; Wil.>,on, 1. c, t. 50. It occurs in tbe 

 mountains of Nevada {JVcUson), as well as in the Atlantic States, Europe and Africa. 



22. B. capillare, Linn. Cespitose, bright or dull green, brownish and brown- 

 tomentose below : stems 3 to 12 lines high, sparingly branched with more or less 



