396 MQSCL Bnjum. 



oblong- or ellipticpyriform, not contracted below the throat when dry ; operculum 

 rather large, convex-cuuic, stoutly apiculate. — Pacif. W. Kep. iv. 187, t. 5. 



Banks of streams alwve Soiiora, Tuolumne County, Birjelow. Considered by SuUivant ns most 

 nearly resemlilinj^ B. albiains. 



28. B. miniatum, Lescj. Densely cespitoso, ])urpli.sli and abruptly crhnsoned 

 at the ends uf tlie branches; stems slender, simple or several times branched, tho 

 innovations sometimes very slender and tilifurm : leaves appresseil when dry, loosely 

 imbricated, the upper crowded into a head, concave, ovate or ovate-lanceolate, obtuse 

 margin scarcely rellexed and scarcely or not at all bordered, the stout costa ceasiu" 

 below the apex, areolatiou polygonal, thick-walled : capsule inclined, elongated 

 obconic, somewhat contracted below the mouth when dry, reddish, with reddish 

 mamillate operculum. — Mem. Calif. Acad. i. 23. 



Moist rocks, Yosemite Valley, Bolander. Resembling the last, but with longer caiisnle and 

 shorter obtuser leaves. * 



29. B. AtTvateriae, iNfuell. Stems stout, more or less elongated, in compact 

 tufts briglit scarlet or yellowish above : leaves erect, closely imbricated, ovate or sub- 

 orbicular, strongly concave, very obtuse and subeucullate at the ajiex, entire, scarcely 

 or not at all bordered ; areolation rather close, rhondjic, below subquadrate : capsule 

 horizontal or sub})endulous, narrowly elliptical u])on a rather long collum, deep red ; 

 operculum conic, acutish : peristome red. — Flora, Iviii. 7G. B. Macounii, Austin, 

 Cotdt. Bot. Gazette, ii. 110. 



On wet rocks at Yosemite Falls {Mrs. Alwatcr) ; Oregon {Hall) ; Vancouver Island, Macoiin. 



•H- -I- -I- -I- Floicers dlcecious ; male flowers suhdiscoid : costa continuous to the 



acute apex. 



30. B. Duvallii, Voit. Loosely and very softly cespitoso, becoming bright 

 purple or puritlish green ; stem elongated, at length decumbent, slender, with long 

 and very slender branches, rooting oidy at base : leaves remote, spreading, subequal, 

 broadly ovate-lanceolate, long-decurrent, nearly ilat, entire, loosely areolate, much 

 contracted and curved when dry : capsule pendulous, brown, obovate-oblong, sym- 

 metrical, contracted below the mouth when dry ; openndum n)amillate. — Schwaegr. 

 fSuppl. t. 79; Ihuch k Schimp. Ihyol. Eur. t. 371 ; Fl. Dan. t. 2G84. 



Eureka (Bolander) ; East Humboldt Jloiuitains, Nevada (Jratson) ; Fort Colville, Washington 

 Territory (Lyall); Newfoundland and the White Mountains ; Euroiie. 



31. B. pseudotriquetrum, Schwaegr. "Widely cespitose, olive- or brownish- 

 green ; stems erect, sparingly branched, 1 to 3 (or 6) inches high, tomentose: leaves 

 gradually enlarging upward and more crowded, more or less spreading, incurved or 

 twisted and rigid when dry, subdecurrent, elliptic- to oblong-lanceolate, serrulate at 

 tho apex, margin rellexed with yellow border, rather narrowly areolate : capsule 

 inclined, rarely pendulous, long-obconic, fre([uently incurved, constricted when ilry ; 

 operculum manullate. — Ib'uch & Schini]). 1. c, t. 304 ; Wilson, 1. c, t. 30. Mnium 

 pseudotriquetrum, Ileilw. Muse. Frond, iii, t. 7. 



On wet rocks, Calaveras Grove (Bnlavder); Fort Colville {Lyall) ; Ohio ; Europe. Very vari- 

 able. Pedicel in tlie taller specimens 3 inches long. 



32. B. turbinatum, Schwaegr. INIore or less densely cespitose, pale green or 

 reddish ; stems .V to 3 inches high, simple or sparingly branched : leaves below 

 ovate, concave, the upper crowded, ol)long-ovate to long-lanceolate, obsoletely serrate 

 at the apex, the very narrowly borderqd margin reflexed : capsule pendulous, thick- 

 pyriform, much constricted below the broad moutli when dry; operculum convex, 

 apiculate: peristome large, yellowish, the ciliola) long-appendiculate. — Bruch & 

 Schimp. 1. c, t. 373; AVilson, 1. c, t. 48. 



Var. latifolium, Bruch Sc Schimp. Stouter and taller, with the bright green 

 leaves 2 or 3 times larger, more concave and not carinate, the flat or slightly recurveil 



