TREMATODON LONGICOLLIS, Michx.
Tab. 19.
Plantæ brevicaules, copiose fructigeræ, in cæspitibus laxiusculis degcntos, læte virides.
Caulis 3–6-linearis, subsimplex, dense longifolius.
Folia patentia, flexuosa, e basi oblonga longc setacea, canaliculata, apice obtusiuscula, obscure dcnticulata; costa lata percurrente; areolatione infernc e cellulis oblongis pellucidis, supernc minoribus opacis exstructa: perichætialia majora, erecta, lanceolata, sensim longe attenuata.
Flores monoici: masculi in ramis plus minus brevibus basilaribus terminales; perigonialibus e basi colorata ovata setaceis; antheridiis 4–6 paraphysatis.
Capsula elongato-oblonga, inclinata, in collum angustum curvulum, basi latere interno abruptum, ipsa fere duplo longiorem defluens; pedicello tenui subunciali luteo; peristomii dentibus subulatis nodoso-articulatis inter articulationes pertusis striolatis, cruribus insequalibus interdum secedentibus; annulo composito revolubili; operculo subulirostro; calyptra inflato-cuculliformi.
Trematodon longicollis, Michx. Fl. Bor.-Amer. 2, p. 289; Sulliv. Musc. Alleghan. No. 173; Mosses U. States, p. 20 (excl. stirp. Novanglis et Ohioensibus).
Hab. Clayey or sandy and moist soil, Southern States.
T. longicollis appears to be confined, in this country, to the more southern States, and to the sea-coast thence to New Jersey; it occurs likewise in New Zealand and Japan. The plant found in Massachusetts, Middle Pennsylvania, and Northern Ohio, and heretofore referred to this species, is T. ambiguus,—a native also of Europe,—which, though very closely resembling T. longi-
