46 
À, Chaetomitrium horridulum v. ». B. et Lac. — Dioicum robustum lutescens vel aureo 
fulvum nitens; caulis longe repens ramosissimus, ramis pinnatis; folia patentia co- 
chleariformi-coneava plicata oblongo-elliptica acuminata dorso glabra, infra acumen 
undulatum cucullato-contracta, margine versus apicem serrato-ciliata, costis breyi- 
bus; cellulae densae angustae elongatae; perichaetialia interna oblongo-lanceolata 
plicata acumine tenui flexuoso runcinato-ciliata; eapsula in pedicello longo setoso- 
hispido oblonga subinclinata; operculum subulatum obliquum; calyptra hispida basi 
multilacera fimbriata. 
Habitat insulam ./avae; ZrerkLivs mens. Decembr. 1828 legit, TTEyswANN. 
Plantae robustae lutescentes vel aureo-fulvae valde nitentes. Caulis elongatus radieulis brevibus fuscis in 
ramis arborum repens valde ramosus, ramis longis densiuseule pinnatis. Folia conferta patentia cochleariformi- 
concaya plieata oblongo-elliptiea acuminata dorso glabra iníra acumen constrieta, acumine ipso undulato-lorto, 
margine usque ad medium folii integerrima supra medium serrata apicem versus serrato-eiliata bícostata, costis 
coneoloribus brevibus; areolatio foliorum e cellnlis elongatis angustis distinetis. Florescentia dioica, Planta 
mascula....? Perichaetia exserta in caule ramisque basi radicantia. Folia perichaetii externa 
parva oblongo-acuminata, aeumine undulato-torto apice ciliato-serrata, interna magna profunde plicata oblonga 
in acumen lanceolato-acuminatum producta margine supra medium serrato-cilinta, apice runcinato-ciliata, ciliis 
nonnullis ramosis, intima internis similia sed minora. Archegonia robusta paraphysibus destituta, Pedicellus 
c vaginula elongato-cylindriea ereetus longus purpureus firmus jam e basi setoso-hispidns 0,025 altus. Capsula 
parum inclinata oblonga fusca sub orificio parumper contracta. Opereulum e basi convexa longe subulatum 
paullo obliquum, Calyptra pallida conica Lispida, basi plurilacera, margine supra basin pilis deflexis longis 
flexuosis artieulatis fimbriata. Peri: duplex i pl 
visum, externum c dentibus rufis basi Jatis 
appronimates, medio linea longitudinali notatis transverse dense trabeeulatis, internum e membrana longe ex 
sería plicata aurantaca,.... Sporae majuseulae globosae angulatae. 
Calyptras hujus aec sequentis aduliiores easque basi fimbriatas demum invenimus, iconibus jam impressis, — 
Occurrunt folia, quae setulas paueas in dorso gerunt, quamobrem hanc plantam sequentis formam sistere 
€rederes. 
Tab. CLX VIL. fig, 1. planta fertiles, na/. magn.; 2, pars plantae sterilis, quinquies aucta; 3, 4, 6, 6, 7, 8, 9, 10 et 11. folia euu- 
lina, decies aucta; 12. folii basis, 13. pars media lateralis, 14. apex, 15. sectio transversa foli, centies aucta; 16. perichaetium et 
Lasis pedicelli, 17. folium perichaetiüi extimum, 18, 19 et 20, interna, 21 et 22, intima, decies aucta; 93. pars lateralis baseos folii 
perieh. interni, 24. apex ejusdem, centies aucía; 25. vaginula archegoniis cinctà et basis pedicelli, decies auciae; 96. archegonia, quin- 
quagies NS. 97. pars pedicelli supra basin, 28. capsula aperta, 29. eadem sicca, 30, operenlum, 31, calyptra junior capsulam inclu- 
dens, decies aucta; 32, ejusdem apex, vicies et quinquies auctus ; 33. pars peristomit incomplet, centíes aucta ; 34. sporae, ducenties auctae. 
5. Chaetomitrium ciliatum Dz. et Ms. in Sched. Plant, Jungh. ined. — Dioicum robustum lu- 
iescens vel aureo-fulvum nitens; caulis longe repens ramosissimus, ramis pinnatis; 
folía patentia cochleariformi-concava plicata oblongo-elliptica acuminata dorso versus 
apicem setulosa, infra acumen und la llato-contraeta, margine versus apicem 
