MNIUM DRUMMONDII, Br. & Sch.
Tab. 51.
Plantæ cæspitosæ, læte virides, inferne toraento rufo-ferrugineo intertextos.
Caulis uncialis ct ultra, simplex, laxius foliosus; ramulis basilaribus erectis strictis.
Folia recurvo-patentia, basi decurrentia; inferiora remota, parvula, elliptico-obovata; media et comalia sensim majora, confertiora, lanceolato-obovata; perichætialia exteriora oblongo-spathulata, interiora minima lanceolata; omnia mucroniformiapiculata, limboque angusto lutescente superne ciliolato-dentatocincta; costa crassiore subcontinua; reti e cellnlis rotundato-hexagonis chlorophyllosis, basilaribus oblongis subinanibus, formato.
Flores synoici: antheridia paraphysibus longioribus filiformibus baud numerosis.
Capsulæ sæpe 2–3 ex eodem perichætio, ovales oblongo-ovalesve, subpendulæ, annulatæ; peristomii dentibus lineali-lanceolatis lutescentibus, cillis aurantiaceis in carina late lacunosis, ciliolis 2–3 interpositis; operculo mamillari: calyptra angustissima fugaci.
Mnium Drummondii, Br. & Sch. in Lond. Jour. Bot. 2, p. 669; Sulliv. Mosses U. States, p. 47; Sulliv. & Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 199.
Mnium spinosum, Drumm. Muse. Amer. No. 257, ex parte.
Hab. Near Smoking River, British America, Drummond. White Mountains, New Hampshire, Oakes.
The synoicous inflorescence, the erect and stiff infertile branches, the decurrent and narrowly bordered leaves, which
