PLEURIDIUM NERVOSUM, (Hook.) Brid.
Tab. 10.
Plantæ gregariæ, humiles, graciles, parco innovando-ramosæ.
Caulis erectus, 3–6 lineas altus, tenuis, rigidiusculus, inferne julacco–foliosus.
Folia 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.
Flores monoici: masculi geinmseforines, cauligeni, sessiles; perigonialibus 3–5 ovato-lanceolatis ecostatis; antheridiis 3–5 paraphysatis.
Capsula elliptico-ovalis, immersa, brevissime pedicellata; calyptra cucullata brevi lata, basi incisa.
Phascum nervosum, Hook. Musc. Exot. t. 105; Drum. Musc. Amer. Coll. 2, No. 6; Sulliv. Mosses U. States, p. 16.
Hab. 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.—Pleuridium nervosum.
1. Plantæ naturali magnitudine.
2. Planta fructifera.
3. Caulis defoliatus cum fl. masc.
4. 5, 6. Fol. perichæt. et comalia.
7. Folium caulis medii
8, 9, 10. Areolatio folii.
11. Folii sectio transversalis.
12. Capsula calyptrata cum fol. perichæt.
13. Capsulæ.
14. Sectio vertiealis capsulæ.
15. Calyptra.
16. Flores masculi.
17. Perigonialia, antheridium, et paraphysis.
