^]^ MUSCI. lIiijJiKiiii. 



attenuate to a llexuGse point : capsule ^iltbous-ovate on a rod ruj^^ose pedicel I inch 

 long, Avith broad compound annulusaml sliort acute-conic operculum : ciliohe '1, very 

 slender. — Trans. Anier. Tliil. Soc. xiii. lli ; Sulliv. Sc Lesip 1. c, n. 502. 

 On tlie ground under UinhcUuluiia Culij'oniicn, Ouklmid, liuhiiukr. 



-H -I- -K- livanchiini jiiiinate or somewhat irnu/Kho' and fusclrlcd : Icarcs not 

 sulcate or scnrcel !/ so, nor decarreM ; areoUitton iincar-ohloii;/, rounded at tlie 

 a/n/Ies: Jlowcrs diunuous : enpsule sometimes nearlij erect and sabsyminctriral : 

 jiedlcel smooth. 



17. H. myosuroides, Linn. Stems slender and branches incurved, often 

 flagelliionu : leaves ovale lanceolate, very linely acuminate, serrulate above, costate 

 beyond the middle ; perieluietial leaves with very slender abrupt recurved apex : 

 capsule oblong on a smooth elongated pedicel : processes (at length bifid) nearly 

 equalling the teeth, a half longer than the 2 ciliohe. — Engl. Bot. t. 15G7. Isothe- 

 cium myosuroides, Brid. ; r>ruch & Schimp. Bryol. Eur. t. 534 ; Fl. I)an. t. 2750. 

 Eurhynchium myosuroides, Schimp. 



Near Sun Francisco, in dry woods (iJ/V/r/ow) ; Tort Discovery, Washinfjton Territory (r/tltriH;/) ; 

 Atlantic States and Europe, on tlie ground, rocks, and at the roots of trees. A very vai iaMe sjieeies, 

 to wliich the foUowing are jnoliably to be referred, and holding an intermediate jiobilion between 

 several of the.se nearly allied gioups or .so-called genera. 



18. H. Stoloniferum, Hook. ^Much larger, the leaves more elliptical, minutely 

 pajiillose on the back aliove the miildle and more coarsely serrate, and cajjsulc more 

 drooping; the ciliohe lupialling the pioccssc-s. — Muse. Mxot. t. 71 ; Mitten, -louru. 

 Einn. Soc. viii. \\\ ; Lesip in Mem. Calif. Acad. ."U ; Sulliv. it Eescp Mu.sc. Am.-Uor. 

 Exsicc. 2 ed. n. 425. //. myosuroides, var. stoloniferum, Muell. Syn. ii. 500. 



Connuon on trees in the Coast IJanges {Mcnzics, Hijdow, Ilulundcr^ and northwaid to Alaska. 



19. H. Brewerianum, Ee.sip In dense tufts on dry rocks, of a ilarker color, 

 with sliort stems and abruiitly short-acuminate leaves strongly concave and scarcely 

 denticulate. — Trans. Amer. Phil. Soc. xiii. 12, and I^Iem. Calif. Acad. i. 32 ; Sulliv. 

 & Le-sq. 1. c, n. 42G. 



Oil metainoiphic sandstone around San Francisco, Brewer, Bultaidcr. 



20. H. aggregatum, ]Mitt. Densely tufted, dull yellow, the elongated branches 

 simple or sparingly divided : leaves broatlly ovate, shortly acuminate : capsule cylin- 

 dric, inclined, somewhat incurved ; operculum acuminate : ciliohe solitary, half as 

 long as the processes. — Journ. Linn. Soc. viii. 35, t. G ; Lesq. in Mem. Calif. Acad, 

 i. 32. //. Brewerianum, var., Sulliv. &i Lesq. 1. c, n. 427. 



On trunks of trees in deep canons, Oakland (Bolundrr) ; Vancouver Island, Lyall, Donglus. 

 Mitten, 1. c, describes several other species (//. acuticusjiin, etc.) of Washington Territory and 

 British Columbia, which much resemble these. //. /ciieocludulum and //. cumprcssulum, Mueli. 

 (Flora, xxxiii. 7i1), from Oakland, Oregon (..Wt/w.s), belong evi.lently to the same alliance. 



4- H- ^- ^- BrancltUuj irrrf/uhir: h'.aves suJidecurrent, not snlcate ; areolatlon 

 very narrow, Jiexuous, dilated at tlie amjles : Jlowers dla^cious: ]/edicet rowjh. 

 — SCLEROPODIUM. {Sderopodlum, Schinii).) 



21. H. CcespitOSUm, Wils. Densely cespitose, creojiing, with short sinqile 

 incurved brancluis : leaves spreading, subsecund, broadly ovate- to oblong-lanceolate, 

 acutely acuminate, concave, serrulate, margins Hat, costa reaching above the middle : 

 capsule oblong, suberect upon a minutely tuberculate [)urple ])edicel about \ inch 

 long, somewliat incurved ; o])erculum conic-rostellate. — Engl. Bot. Suppl. t. 2878, 

 and Bryol. Brit. t. 55 ; Sulliv. & Lesq. 1. c, u. 510. Scleropodinm cwspitosum, 

 Bruch & Schimp. 1. c, t. 55G. 



On shaded rocks and on the ground among redwoods, Oakland {Bolandrr) ; Europe. 



22. H. illecebrum, Schwaegr. Li less dense bright green patches, with in- 

 curved obtu.si; Ijranches about an inch long : leaves closely indjricated, roundish 



