Fissnla,:i. MUSCl. 



373 



* * Leaves emavy'tnate or rottiided at the apex, the cnsta vsiialhj exenrrcnt as a 

 hair: capsule ohloiifj-ri/lhulrie. 



-»- Floieers inonmcious. 

 2G. B. Icevipila, Bridel. Densely matted, tonientose at base : leaves spread- 

 ing or recurved, deep or glaucous green becoming brown, oblong or obovate-oblon", 

 rounded and ejnarginatc above, the terminal white seta smooth or serrate : capsuTe 

 oblong-cylindrical, deep brown, with slender conical operculum, and peristome 

 tubular for one-third its length. — Ihuch c^- Schimp. 1. c, t. 104 ; Sulliv. & Lesf]. 

 1. c, 2 eil. n. 143. Tortula ((cvijnla, Schwacgr. Suppl. t. 120 ; Wilson, 1. c, t. 43. 

 On raihond Icvpps nt Sacramento and on Alonte Diablo {Rnlander) ; on tlic Pah-Ute Moun- 

 tan.s Novad.1 OValson) • Vancouver Island (Aya//) ; also all temperate and Southern Europe, 

 and Northern Alrica. ^ ' 



-f- ■\- Flowers dia^cions. 



27. B. latifolia, IJrucli. In loose soft patches, ^ to 1 inch high, deep or lurid 

 green : leaves less crowded below, the uj)per rosulate and spreading, obovate-spatu- 

 latc, obtuse and emarginate, the costa scarcely excurrent : capsule oblong-cylindrical, 

 on a rather short pedicel, brown, with iiarrow simple annulus, and peristome as in 

 the la.^t. — Bruch <t Schimp. 1. c, t. 104; Sulliv. tt Lesq. 1. c, n. 144. Tortula 

 lafi/ohd, Wdson, 15ryol. IJrit. t. 43. 



liordeis of n creek near San llafad (Buhindcr) ; Oregon, Hall. European. 



28. B. ruralis, lledw. In broad loose yellowish mats, 1 to 3 inches high : 

 leaves sfpiarrusc-recurved, oblong, margins reflexed, the apex rounded or emarginate, 

 Avith a white long and flcxuose rough spinulose seta : capsule olilong, subcylindricali 

 reddish brown, long-pedicellate, with double annulus, and purjile peristome tubular 

 a half or one-third its length. — Bruch k Schimp. 1. c, t. 100. Tortula nivalis 

 Schwaegr. Suppl. t. 34 ; Berkeley, Brit. Moss. t. 22, fig. 4. 



Var. gigantea, Lesq. Stem elongated, the leaves S(piarrose-rellexed from the 

 base, with long forked papilhe ; costa spinulose-rugose on the back. — Mem. Calif. 

 Acad. i. 13; Sulliv. <k Lesq. 1. c. n. 140. 



Very common on rocks and trunks of trees, from the i>lains to the mountains (/J^'r/r/w;, Bolandrr,- 

 Brcurr) ; Oref,'on ; Nevada and Utah ; Texas ; and from Arctic America to the Eastern States 

 and common throughout Europe. Tlie variety on moist rocks in Yosemite Valley, Bolandcr. 



-K- -)- -K- Flowers bisexual. 



29. B. Muelleri, Bruch & Schimp. Stems in dense olive- or brownish-green 

 mats, 1 or 2 inches high, densely leafy, branched, radiculose to the top : leaves 

 erect-spreading, folded and appressed when dry, broadly oblong, obtuse, the red 

 costa excurrent as a long obsolctely spinulose liair, margins subrevolute below : cap- 

 sule cylindrical, long-pedicellate, hrm, brown, with double annulus. — Bryol Eur 

 t. 108 ; Sulliv. (^' Lesq. 1. c, n. 100" (2 ed. n. 147). Tortula Muelleri, Wilson, 1. c , 

 t. 44. T. princeps, DeNot. iMusc. Ital. i. 33, t. 13. 



rommon, esi'ecially in the plains {Biqdnrr, Bohvdr.v, Brnrrr) ; Carson Vity (jrotsou) : Van- 

 couver Lsland (Lyall); also in Chili, and tlirougli Western Europe. 



16. FISSIDENS, Hedu. 

 Stems simple or sparingly branched. Leaves strictly 2-ranked, infolded boat- 

 shaped at base and produced above into an equitant vertical blade costate to the 

 apex; areolation minute, round-hexagonal, chlorophyllose. Liflorescence various, 

 bud-like, terminal or axillary. Calyptra cucullato or rarely mitriform. Capsule 

 rather long-pedicellate and usually nodding, oval or obh.ng, straight or slightly 

 incurved ; operculum large, beaked; annulus narrow. Peristome simple, of 10 



