Page:Icones muscorum.djvu/122

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110
ICONES MUSCORUM.

LEUCODON JULACEUS (Hedw.), Schwægr.

Tab. 69.

Plantæ præcedenti generi vegetandi modo similes, saturate virides, ætate sordide flavescentes.

Caulis primarius tenuis, rhizomatoideus, defoliatus, ramos numerosissimos tereti-foliosos subunciales proferens.

Folia conferta, siccitate dense imbricantia, niadore subhorizontalia, ovata-elliptica, breviter acuminata, concava, margine recurva, ecostata, minute rotundo- vel ovali-areolata: perichsetialia longe exserta, superiora lineari-oblonga, tenui-acuminata, convoluta, ad capsular basin fere porrecta.

Flores dioici: feminei versus ramorum apicem positi: masculi numerosi; antheridiis longe pedicellatis paraphysatis.

Capsula turgide ovalis, microstoma, exserta, castanea; peristomio duplici, externo e dentibus linealibus albidis punctulatis apice fissis, interno e membrana tenerrima truncata angusta; operculo conico brevius obliquato-rostrato; calyptra ampla cuculliformi basi subplicata pedicelli apicem amplectante.

Pterigynandrum julaceum, Hedw. Musc. Frond. 4. p. 51, t. 20.

Hab. On trees.—Very common.


TAB. 69.—Leucodon julaceus.

1. Planta feminea.
2. Ramus masc. nat. mag.
3. Ramus fertilis.
4. Pars rami sicci.
5. 6. Folia ramea.
7, 8. Rete basis et apicis.
9. Sectiones trans, folii.
10. Capsula calyptrata.
11. Calyptra.
12. Capsula cum perichætio.
13. Folium perichætii.
14. Peristomium.
15. Pars ejusdem.
16. Operculum.
17. Flos masculus.
18, 19. Genitalia mascula.