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Rh PLEURIDIUM NERVOSUM, (Hook.) Brid.

Tab. 10.

gregariæ, humiles, graciles, parco innovando-ramosæ.

erectus, 3–6 lineas altus, tenuis, rigidiusculus, inferne julacco–foliosus.

erecto-appressa, arcte imbricantia, oblongo-ovata, acuta, ascendendo accrescentia; comalia vel perichætialia multo majora, aperta, oblonga; subito longe cuspidata; omnia costa valida percurrente instructa; areolatione superne e cellulis crassis opacis rhomboidalibus, inferne majoribus laxis oblongis.

monoici: masculi geinmseforines, cauligeni, sessiles; perigonialibus 3–5 ovato-lanceolatis ecostatis; antheridiis 3–5 paraphysatis.

elliptico-ovalis, immersa, brevissime pedicellata; calyptra cucullata brevi lata, basi incisa.

Pennsylvania, Drummond.

Established originally by Hooker on specimens from the Cape of Good Hope. It is also a native of New Zealand, Chili, and the island of Juan Fernandez.

TAB. 10.—