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Rh FONTINALIS LESCURII, Sulliv.

Tab. 61, 62.

fluctuantes, formis vernalibus præcedentis speciei simillimæ, colore plerumque e viridi sericeo-aurescente.

pedalis et ultra, laxius foliosus, multoties divisus, divisionibus vage vel versus apicem subpinnatim ramulosis.

nullatenus biformia erecto-pateutia, baud manifeste trifaria, elongato-laneeolata, concava, mollia, basi amplexicaulia, apice lenissime serrulata; cellulis mediis minutis flexuoso-line-aribus, apicalibus brevioribus latioribus, illis ad basis angulos multo majoribus oblongis subventricosis.

dioici: feminei sat numerosi prope caulis basin siti; antheridiis 6–10, cum paraphysibus longioribus 10–12 septatis.

brevi-cylindracea, tenui-membranacea, perichætialibus internis primum ultra operculum maturum porrectis demum ætate eroso-abbreviatis arete involuta; peristomii granuloso-papillosi dentibus apice binatim coadunatis 20–25-articulatis, ciliis superne trabeculato-connexis inferue liberis appendiculatis; operculo elongato-conico; calyptra generis.

β. ; ramulis magis elongatis flexuosis; foliis angustioribus confertioribus minus patentibus capsula operculoque longioribus; dentibus peristomialibus remotius articulatis. Facile in formam typicam per intermedias remanans.

γ. ; minor, tenuior, F. disticham valde referens, distinctissima tamen capsula plane alia.

Falls of Little River, Lookout Mountain, Alabama, Lesquereux. Saco River, White Mountains, New Hampshire, James.— β. Cheshire County, New Hampshire, Eaton. Brattleborough, Vermont, Frost.— γ. Providence, Rhode Island, Olney. Wilmington, Delaware, and New Hampshire, James. New Jersey, Austin.