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Rh HYPNUM PALUDOSUM, Sulliv.

Tab. 101.

pinnato-ramulosse, cuespites latos tumesccntcs laxos e viridi lutcscentcs effomantes.

3–4-uncialis, subprostratus, bis tcrve divisus, divisionibus elongatis simpliciter pinnatis; ramulis haud confertis breviusculis inæqualibus tenuibus laxius subcompresso-foliosis.

erecto-patentia, e basi concava cordata lanceolata, parce plicato-striata, margine plus minus roflexa, usque ad sumraam fere apicem dentatara valido-costata, utraque pagina lævissima, elongate rhomboideo-areolata; parahylliis ciliato-ramosissimis copiosis: perichætii polyphylli foliis interioribus oblongis sensim longe tenui-acuminatis longitudinaliter pluries striatis.

monoici cauligeni: masculi laxe gemmacei; antheridiis parapbysatis.

oblongo-cylindracea, incurvo-cernua, annulata; peristomii ciliis in carina parce rimulosis, ciliolis ternatis nodoso-articulatis dentes lineali-lanceolatos aequantibus; operculo brevissimo conico-apiculato.

Cranberry marshes, Northern Ohio. Rhode Island, Olney. Massachusetts, Russell. Vermont, Frost.

Resembles H. Blandovii, with which it is not unfrequently confounded: but that species is a Thuidium, ''Bryol. Europ.'', and has upright or ascending stems, more densely clothed with longer and more compound paraphyllia: its leaves are more