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Rh MYURELLA CAREYANA, Sulliv.

Tab. 83.

pusillæ, tcnellæ, superne glauco-viridcs, inferne sordide albesccntes, radiculis longis cæspitose intricatæ.

tenuis ascendens, stolonifer, fasciculato-ramosus; ramis ramulisque gracilibus tereti-foliosis siccitate fragilibus.

laxius incumbentia, patenti-incurva, late ovata, tenuiter elongato-acuminata, cochleariformi-concava, toto ambitu spinuloso-dentata, dorso longius papillosa, basi vix vel brevissime costata; reti amœno e cellulis majusculis pellucidis rhomboideo-ellipticis extus unipapillosis composito: perichsetialia laxius texta, vaginantia, lanceolata, longe filiformi-acuniinata, grosse dentata.

dioici: perichaetia conspicua fusco-aurantia: perigonia oblonga, majuscula; folia perichætialibus similia sed minus longo-acuminata; antheridia 5–6 cum paraphysibus numerosis brevioribus.

erecta, oblongo-ovalis vel elongato-obovata, macrostoma, in pedicellum tenuem debilem 5–7-linearem sensim defluens; peristomio duplici hypnoideo, dentibus pallide luteolis, ciliolis binatis; annulo duplici subpersistente; operculo breviconico; calyptra fugaci.

Mountains, New England, Carey. Pennsylvania, Lesquereux. Negro Mountain, North Carolina, Gray and Sullivant. Brattleborough, Vermont, Frost. Helderberg Mountains, New York, Austin.

The filiformly apiculate leaves of this species, ciliate-dentate