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Rh HYPNUM SULLIVANTIÆ, Schimp.

Tab. 126.

in cæspitibus densiusculis e flavescente læte viridibus scriceo-nitentibus degentes.

uncialis et ultra, ascendens, pauciramosus; ramis erectis basi laxifoliis radiculosis superne compressiuscule turgido-foliosis.

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.

dioici, utrique paraphysati, ad ramorum basin siti; masculis 2–3 aggregatis.

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:

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