Page:Icones muscorum.djvu/54

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42
ICONES MUSCORUM.

FISSIDENS POLYPODIODES, Hedw.

Tab. 27.

Plantæ proceræ, gregariæ, sola basi radiculis instructæ, lurido-virides.

Caulis sesqui-biuncialis, simplex, rarissime ramosus, rigidus, flexuoso-erectus.

Folia multijuga, laxius incumbentia, lineari-oblonga, obtusiuscula; duplicatura ad medium vol ultra producta; lamina dorsali ad basin porrecta ibidcmque rotundata; costa valida fere ad apicem extensa; reti firmiusculo pellucido e cellulis subrotundis: perichætialia minora, inferiora ovata lamina apicali et dorsali deficientibus, superiora graciliora lamina apicali tantum instructa.

Flores dioici, laterales: feininei versus caulis apicem 3–4 aggregati; masculi gemmiformes in axillis foliorum nidulantes.

Capsula in pedicello breviusculo flexuoso adscendente, elongate subpyriformi-obovata, valde macrostoma; annulo revolubili; operculo e basi hemisphærico longius rostrato.

Fissidens Polypodiodes, Hedw. Musc. Frond. 3, p. 63, t. 27; Sulliv. et Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 87.

Hab. Louisiana, Drummond. Florida, Chapman. Moist rocks, Northern Georgia, Lesquereux.


TAB. 27.—Fissidens Polypodiodes.

1. Plantæ masculæ et femineæ naturali magnitudine.
2. Planta fertilis.
3. 4. Folia caulina.
5. Basis folii.
6. Folium inferius perichætii.
7. Areolatio folii apicis.
8. 9. 10. Capsulæ.
11. Peristomii duo dentes cum annali particula.
12. Sectio verticalia peristomii.
13. 14. Gemmæ masculæ.