3 
emittens inordinatos solitarios (rarius fascieulatos) simplices flexuosos, tandem emareidus rhizomatis vicibus 
fungens caulesque secundarios proferens, usque 0,1' longus. Folia conferta ordine ?/, disposita e basi angustata 
lanceolata elongata leviter undulata (sicca flexuoso-torta), infima remota dimidio breviora oblongo-lanceolata , 
apicalia linearilaanceolata, cuneta margine a medio inde duplicato minute et remote serrata costata, costa basi 
dilatata, postice trigono-gibba inermi apicem attingente; cellulae parvae arcolatae, areolis rotundato-angulosis in 
folii basi lineari-oblongis, in margine quadratis, flavescentibus, Florescentia dioico. Flores masculi. — Flores 
feminei gemmiformes ad basin caulis ramorumve sessiles sparsi in tomento radicali nidulantes majusculi poly- 
phylli; folia perigynii recurva, rarius faleato-subseeunda, e basi latiore plieato-eoneava subeordata integra 
sive aequaliter angustata, sive contracta indeque in acumen lineare plus minusve elongatum, basi usque 5 lon- 
Sius, margine dense et acute dentato-serratum, in extimis subintegrum, producta costata, costa valida apicem 
attingente, e cellulis eitrino-flavis in foliorum basi leptodermis teneris valde elongato-hexaédris, caeteris pa- 
chydermis areolatis rotundatis contexta; archegonia copiosa lineari-cylindrica elongata, paraphysibus filiformibus 
quidquam longioribus stipata. Folia perichaetii iis perigynii consimilia, sed universe majora et robustiora. 
Fructus e caulis ramorumve basi varia altitudine et loco lateralis solitarius. Pedicellus e vaginula eylindraeea parum 
tumida elongatus (0,08' cireiter) leviter flexuosus inferne sanguineo-ruber, superne pallescens. Capsula inclinata 
cylindraeea leviter inaequalis (superne arcuata, inferne rectiuscula) elongata in basin aequaliter angustata, sub 
orificio leviter constrieta, pallide fusca. Operculum acute conieum rectum elongatum capsulam dimidiam longitudine 
aequans. Calyptra mitraeformis anguste eylindriea elongata glabra straminea, basi fusca. Peristomium duplex: ex- 
ternum e dentibus 16 basi latiuseulis indeque aequaliter angustato-subulatis remotiusculis rubro-fuseis, internum e 
membrana ultra dentium. dimidiam longitudinem produeta plieata flavescente in processus 16, dentibus latiores, 
longitudine aequales late hiantes fissa, interjectis ciliis binis brevioribus teneris inermibus. Sporae anguloso-globosae. 
Proxime nostro accedit RA. Mnicides;(Hook.) Scupm., quod vero diversum esse videtur propter folia caulina uni- 
verse majora, e basi latiore sensim angustata. perichactialia extima breviora evanidinervia, intima, laminà trun- 
cata vel contracto-sinuosa, subito in acumen piliforme s. aristam exeuntia, capsulam porro breviorem ventrico- 
sam basi strumulosam ete. Num ad nostrum forte pertinet Jt. Mnioides SvLtw. in Wirkrs expl exped. pag. 28 
ex insulis Fidehi? : 
Tab. CXXXIIL fig. 1, 9 et 3. planta fructifera et sterilis, nat, magn.; 4. apex rami, quinquies auctus; 5, 6, 7, 8, 9, 10, 11 
st 12. folia caulina, decies cuctm; 18, 14 et 15, cellulae e basi, parte media et apice folii, centies auctae; 16. segmentum folii 
transversum, vicies, l7. idem, centies auctum; 18. perichaetium, quinquies auctum; 19, 20, 21, 92 et 93 folia perichaetii, decies 
aucta; 24 et 95 cellulae ex iisdem, centies auctae; 96. vaginula, decies aucta; 27. archegonia et paraphyses, quinquagies aucta; 28. 
capsula cum Opereulo, 29. eadem aperta, 30. eadem sicca, 31. calyptra, decies auctae; 32. pars peristomii, quinquagies aucta; 33. 
sporae, ducenties auctae. : 
HYMENODON Hk ET WIS 
1. Hymenodon sericeus (Dz. et M».) C. Mürr. in Bot. Ztg. 1847 pag. 805. Syn. musc. I pag. 178. 
. Mielichhoferia sericea Dz. et Mo. in Ann. d, sc. nat. 4844 5* Sér. II pag. 512. Musc. frond. 
1* 
