HYPNUM NUTTALLH, Wils.
Tab. 128.
Plantæ colore aureo-nitentc insignes, cæspites late extensos depressos formantes.
Caulis prostratus, breviter fasciculato-radiculosus, 3–5 uncias longus, parcius divisus, pinnato-ramulosus; ramnlis confertissimis brevibus 3–5-linearibus nunc expansis nunc homomallis curvulis ascendentibus.
Folia dense imbricantia, erecto-patentia, stricta, anguste oblongo-lanceolata, longe sensimque acuminata, plus minus sulcatostriata, serrata, ad marginem basilarem recurvum grossius dentata; costa alte in acumen producta; reti firino e cellulis longissimis angustis, illis ad basis angulos latioribus subquadratis hyalinis: perichætialia interiora erecta, elongato-oblonga, filiformi-attenuata, striata, obsolete costata, laxius texta.
Flores pseudo-monoici (normaliter dioici ex eel. Wilson): masculi plantulæ gemmiformes, basi radiculigeræ, e sporis enatæ in plantis femineis parasiticæ, sæpius 2–4 aggregatæ; antheridiis minimis; parapbysibus nullis vel rudimentariis.
Capsula elongato-cjlindracea, erectiuscula, curvula, sicca arcuata, collo parvulo distincto; pedicello valde exasperato perbrevi capsulam paulum superante vel aequante vel ea breviore; annulo angusto; peristomii dentibus lanceolato-subulatis dense articulatis byalino-marginatis, ciliis in carina diremptis, ciliolis subnullis; operculo tumido-conico brevirostro; calyptra angusta dimidiata.
Hypnum Nuttallh, Wils. Bryol. Brit, in adnot. p. 334, 339; Sulliv. & Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 338b.
Camptothecium Nuttallh, Bryol. Europ. in adnot. 6, p. 6.
Leskea Californica, Hampe in Linnæa, 30 (1859), p. 460.
Hab. On trees, Western Coast of Nortb America, Menzies, Gairdner, Nultall, Bigelow, Bauer, Bolander.
