HYPNUM CURVIFOLIUM, Hedw.
Tab. 114.
Plantæ majores, late intricato-caespitosæ, e viridi aurescentes, nitidæ.
Caulis prostratus, 3–4-uncialis, divisus, distiche ramulosus; ramulis approximatis brevibus inaequalibus subcompressofoliosis.
Folia conferta, bifariam imbricata, deorsum falcato-secunda, e basi auriculato-cordata longe sensim acuminata, concava, superne lenissimc serrulata, ecostata vel brevissime bicostata, angustissime pallide lineari-flexuoso-areolata; cellulis basilaribus et angularibus brevioribus latioribus aureis: folia perichaetii conspicui albescentis numerosa, erecta, arete vaginantia, laxius texta, longitudinaliter pluries sulcato-striata.
Flores dioici, cauligeni, paraphysati: plantar masculae fertilibus mixtæ.
Capsula alte pedicellata, majuscula, oblonga, turgida, incurvocernua, tenui-membranacea, in sicco arcuata et valde costata; annulo triseriato revolubili; peristomii dentibus lanceolato-subulatis luteolis crebre articulatis intus apicern versus late lamellosis, ciliis in carina pertusis, ciliolis binis ternisve appendiculatis; operculo conico acuto.
Hypnum curvifolium, Hedw. Sp. Muse. p. 285, t. 75; Brid. Bryol. Univ. 2, p. 613; Müll. Synop. Musc. 2, p. 292, ex parte; Sulliv. Mosses U. States, p. 74.
Hab. Grows in large mats on decayed logs, in shady woods.
Not unlike large forms of Hypnum cvpressiforme; but distin-
