HYPNUM SULLIVANTIÆ, Schimp.
Tab. 126.
Plantæ in cæspitibus densiusculis e flavescente læte viridibus scriceo-nitentibus degentes.
Caulis uncialis et ultra, ascendens, pauciramosus; ramis erectis basi laxifoliis radiculosis superne compressiuscule turgido-foliosis.
Folia confertius incumbentia, oblongo-ovata, subitius breviter filiformi-apiculata, subcymbiformi-concava, tenuia, nitida, versus apicem serrulata; eosta basilari bifurca, crure altero nonnunquam ad medium usque procedente; reti e cellulis angustissimis longissimis flexuosis utrinque attenuatis ad angulos defluentes amplioribus oblongis: perichætialia erecta, laxius vaginantia; interiora oblonga, apice tenui-acuminata.
Flores dioici, utrique paraphysati, ad ramorum basin siti; masculis 2–3 aggregatis.
Capsula e collo angustiore cylindraceo-oblonga, erecta, æqualis, rarius subinæqualis leniter cernua, leptoderma, sicca lævis; pedicello unciali rubro; annulo simplici majusculo; peristomii dentibus lanceolato-subulatis conferte articulatis luteolis, ciliis æquilongis angustis integris, ciliolis binis nodoso-articulatis; operculo alte conico sensim oblique crasso-rostrato:
Hypnum Sullivantiæ, W. P. Schimp. in litt. ad Lesqx.; Sulliv. Mosses U. States, p. 80; Sulliv. & Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 355.
Plagiothecium Sullivantiæ, Schimp. Brvol. Europ. Plag. p. 16, in adnot.
Hab. On rocks in dense woods, Central and Southern Ohio: rare.
Authentic specimens of Plagiothecium Ræseanum are not at hand for comparison; but in the description and figure of that
