Page:Icones muscorum.djvu/181

From Wikisource
Jump to navigation Jump to search
This page has been proofread, but needs to be validated.
ICONES MUSCORUM.
169

HYPNUM SERRULATUM, Hedw.

Tab. 107.

Plantæ læte vel pallide virides, nitidae, stratum tenue laxum diffusum efficicntes.

Caulis arcte repens, elongatus, bis terve divisus, distanter distiche ramulosus; divisionibus rauiulisque prostratis laxissime bifariam foliosis.

Folia tenuia, complanata, patentissima, ovato-lanceolata, anguste acuminata, superne serrulata, laxius elongato-rhomboideoareolata, ad medium costa debili instructa: perichætialia oblonga, scariosa, albescentia, laxe amplexantia, subito filiformi-attenuata, apice varie fiexa, ecostata {nee costata ut icon nostra false effingit).

Flores monoici, copiose et exserte paraphysati; masculis gemmiformibus.

Capsula oblonga, cernuo-incurva; pedicello erecto-flexuoso laevi; peristomii dentibus lineali-lanceolatis firmis dense articulatis hyalino-marginatis, ciliis integris dentibus æquilongis, ciliolis 2–3 brevioribus nodoso-articulatis; annulo specioso facile discedente; operculo e basi conica longe rostrato.

Hypnum serrulatum, Hedw. Sp. Muse. t. 60, p. 238; Brid. Bryol. Univ. 2, p. 390; Sulliv. Mosses U. States, p. 70.

Hab. On the ground in dry woods, forming loose thin strata, usually over decayed leaves.

H. serrulatum is very closely allied to H. confertum, Dicks., and it is questionable if essential characters separating theni exist.