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Rh POGONATUM CAPILLARE, Michx.

Tab. 49.

humilcs, gregariæ vel in cæspitibus laxis superne glaucescenti-viridibus inferno rufescentibus degentcs, sola basi radicantes.

subuncialis, tenuis, simplex, raro sub perichætio innovans, laxe foliosus.

inferiora minuta, dissita, subappressa, ascendendo-majora et patula; comalia majuscula, e basi membranacea breviter vaginante linealia, acuta, margine argute serrata, tota superficie superiore (ilia partis vaginantis excepta) lamelligera, lamellis incrassato-marginatis.

dioici: plantæ masculæ fertilibus minores, e floris centro prolificantes; floribus anthoideis; perigonialibus interiori- bus brevioribus latissime ovatis acuminatis; paraphysibus partim filiformibus partim apice expansis.

oblongo-cylindracea, erecta, pedicello tenui suffulta, papillulosa, leptoderma; peristomii dentibus 32 longiusculis lingulatis acutis e membrana basilari vix emersa oriundis hyalinis in axi aurantiaceis; operculo e basi depresso-hemisphærica longius flexuose erecto-rostrato; indumento villoso capsulæ ⅔ tegente.

Canada, Michaux. White Mountains, New Hampshire, Barratt, Tuckerman, Gray, Oakes, James. Rocky Mountains, Drummond.

Resembles closely P. urnigerum; but that is a larger, more robust, and more rigid species; its leaves are more crowded and