ICONES MUSCORUM. 10 



PLEURIDIUM NERVOSUM, (Hook.) Brid. 

 Tab. 10. 



Plants gregaria), humiles, graciles, parco innovando-ramosae. 



Caulis crectus, 3-6 lincas altus, tenuis, rigidiusculus, in- 

 fcrne julaceo-foliosus. 



Folia erecto-apprcssa, arete imbricantia, oblongo-ovata, acuta, 

 ascendendo accrcscentia ; comalia vel perichactialia multo ma- 

 jora, 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 

 paraphy satis. 



Capsula elliptico-ovalis, immersa, brevissime pedicellata ; 

 calyptra cucullata brevi lata, basi incisa. 



Phascum nervosum, Hook. Muse. Exot. t. 105; Drum. Muse. 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. Plantae naturali magnitudine. 12. Capsula calyptrata cum fol. perichaet. 



2. Planta fructifera. 13. Capsular. 



3. Caulis defoliatus cum fl. masc. 14. Sectio vertiealis capsular. 



4. 5, 6. Fol. perichset. et comalia. 15. Calyptra. 



7. Folium caulis medii. 16. Flores masculi. 



8, 9, 10. Areolatio folii. 17. Perigonialia, antheridium, et para- 

 11. Folii sectio transversalis. physis. 



