gg^ MUSCI. Bryum. 



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

 or more,' sparingly l)ranched : leaves densely rosulate, loosely imbricated and not 

 twisted when dry, the outer 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 : capsule long-obconic, 

 pendulous upon a red pedicel, orange-red ; operculum convex : teeth yellow ; ciliolse 

 strongly appendiculate. — Schimp. Syn. 2 ed. 432. B. BMarderii, Bruch & Schimp. 

 1. c, t. 336. B. Canariense, Schimp. Syn. 1 ed., not Brid. 



Canon on Monte Diablo {Bolandcr) ; Europe. 



B BIMUM Schreb., has been collected in the East Humboldt Mountains, Nevada ( Watson), 

 and 'in Washington Territory (iyre^O, as well as in British America, the northern Atlantic 

 States Europe knd South America. Stems i to 2 or 3 inches high, matted with red rhizoids, 

 yellowish f'reen above, dark brown below : leaves spreading, elliptic to oblong-lanceolate, shortly 

 cuspidate, "with rather broad margin and serrate above : capsule as in B. cirrhatum. Also re- 

 sembling B. iKcudotriqudrum. — Bruch & Schimp. 1. c, t. 363 ; Wilson, 1. c, t. 49 ; bulliv. m 

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



B. Oreganum, Sulliv. (Muse. Wilkes Expl. Exped. 10, t. 7), is densely cespitose, 4 or 5 lines 

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

 acute, serrate above, margins reflexed and nan-owly bordered, costa reaching the apex ; perichjetial 

 leaves long-oblong, acuminate, with excurrent costa : capsule subpeiidulous, clavate-oblong, 

 strai"-ht or .slio-htly curved, constricted below the mouth when dry ; oi)evculum rather small, 

 hemfsiiherical, apiculate : inner teeth broad, widely gaping, the ciliolse in pairs and conspicuously 

 api)endiculate. — Oregon, PickcrvKj. 



H_ ^ Flowers monoecious : costa excurrent. 



20. B. subrotundum, Bridel. Stem mncli branched, with short bud-like 

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

 broadly ovate- or oblong-lanceolate, concave with flat 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 orifice 

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

 above. — Bruch & Schimp. 1. c, t. 361. B. pcMescens, var. 8, same, 1. c, t. 360. 



On rocks, Yoseraite "Valley (Bolandcr); British America {Drummond) ; Europe. 

 B PALi.ESCENS Sclwaegr., may be distinguished by its rather narrower and less concave 

 leaves with revolute margins, reddish at base, and the clavate-pyriform capsule with long collum, 

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

 high - Suppl. t. 75 ; Bruch & Schimp. 1. c, t. 359 ; Wilson, 1. c, t. 48. In Washington Ter- 

 ritory and the Wahsatch ; Arctic America to the northern Atlantic States, and m Europe. 

 ^- H- ^- Flowers diceelous ; wctle flmvers hid-like. 

 ++ Costa more or less excurrent. 

 21. B. c^spiticium, Linn. Cespitose, pale green and somewhat sericeous, 

 ferruoinous and tomentose below ; stems 3 to 1 2 lines long : lower leaves minute, 

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

 concave, margins entire, reflexed : capsule brown, inclined or pendulous, oblong- or 

 elon^ated-pyriform with broad mamillate yellow operculum : peristome ferruginous, 

 inner teeth broadly fissured. — Engl Bot. t. 1904; Bruch & Schimp. 1. c, t. 374, 

 375 ; Wilson, 1. c, t. 29 ; Fl. Dan. t. 2565. 



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

 Nevada, and in the Wahsatch ( Watson) ; Washington Territory (Lyall) ; Arctic America to the 

 Atlantic States ; South America and the Old World. 



B ATROPURPUREUM, Weber & Mohr, is a similar species, with more shortly apiculate and 

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

 on an arcuate pedicel, red becoming dark purple, with a broad prominently convex u]ueuhit.- 

 l,ale-i,urple operculum. — Bruch & Schimp. 1. c, t. 378 ; Wilson, 1. c, t. 50 It occurs lu the 

 mountains of Nevada {Watson), as well as in the Atlantic States, Europe and Atnca. 



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

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



