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Rh FABRONIA WRIGHTII, Sulliv.

Tab. 84.

perpusillæ, delicatulæ, in cæspitulis laxiusculis læte virentibus nitidis degentes.

erectus vel decumbens, valde inordinate ramosus, fragilis, stolonifer, longe radiculosus.

erecto-patentia, laxa, elongato-lanceolata, sensim subulato-acnminata, concava, ad medium plus minusve distincte costata, margine serrato-interdum subciliato-dentata; areola-tione pulclira pellucida majuscula rhomboideo-elliptica, cellulis angularibus numerosis minoribus opacis subquadratis: perichætialia interiora oblonga, subito et brevius acuminata, ecostata, superne grossius serrata.

monoici: masculi aperto-gemmacei; perigonialibus lanceolatis acuminatis.

erecta, symmetrica, collo magno incluso oblongo-pyriformis, extus e cellulis quadratis flexuosis composita; pedicello 1–2-lineari; peristomio simplici, dentibus 16 per paria approximatis elongato-deltoideis utraque facie planis remote 4–5-articulatis linea axili recta notatis aurantiaceis oblique striolatis apice plus minus bifidis, humectis incurvis, siccis reflexis; sporis diametro $1⁄2300$ unc. metientibus; operculo conico-apiculato; calyptra dimidiata.

San Marcos, Texas, Wright.

Near the European F. octoblepharis: but that species has a mamillate operculum, dark brownish-red peristomial teeth,