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Rh FONTINALIS DISTICHA, Hook, & Wils.

Tab. 63, 64.

graciliores, habitu coloreque forrois minoribus antecedentis similliinæ.

7–10-uncialis, tenuis, inferne defoliatus, rigidulus, elasticus, pinnatira et sub-bipinnatim ramulosus, ramulis remotiusculis late patentibus breviusculis substrictis.

tenerrima, indistincte trifaria, laxe incumbentia, anguste lanceolata, sensira longe acuminata, modice concava, apice lenissinie serrulata, reti tenui-vermiculari.

dioici: masculi numerosissimi; antheridiis longius pedicellatis.

gracilis, elongato-cylindracea; peristomii granuloso-papillosi dentibus linearibus 14–15-articulatis inter articulationes plus minus pertusis; ciliis superne clathratis inferne liberis appendiculatis; calyptra et operculo F. Lescurii.

β. ; caule ramulisque elongatis flexilibus; foliis angustioribus rigidioribus convolutis laxius areolatis; dentibus peristomialibus lanceolato-subulatis vix lacunosis crebrius articulatis.

Louisiana, Drummond.—Var. β. Southern Kentucky, Lesquereux.

A well-marked species, readily distinguished from its congeners by its slender and delicate habit, and by its long and narrow capsule.