— ']t\ — 

 Ordo IIL Filices. 



Plantae pusillse (bryoideae) v. Palmis excelsis similes, iisquc 

 elegantiores, glabrse v. pibs simpl. stellatis, ramosis, giandulosisy 

 V. in paleas minimas v. sesquipoUicares, fuscas, flavas, albidas v. 

 nigrescentes, passim caducas, et aculeos coalilis, v. squamis pel- 



tatis, e verrucula oriundis, undique obsitse ; rhizoniis H 



crassis, perennib. <<, tenestrib. v. aereis. Caudex minimus v. 

 elongatus, simpl. v. ramosus, terrestris v. epigeus, repens, scan- 

 dens, carnosus, lignosus v.columnaris, erect. brevis v.ad 8 org^^as 

 elatus, acrobryus et acrophyllus, quandoque rhizoniis et phyl- 

 lopodiis obvallatus, cyhndro ligneo, vaginas lignosas plures va- 

 sorum scalariformium inchidente v. ad axin simphcem reducto, 

 fascicuhs ad foha et rhizonia secedentibus. Folia (frondes auct.) 

 minima v. maxima (5 -org^aha), sparsa v. coronantia, integra, 

 cordata, lobala, dichotoma, palmata, pedata, saepius pinna- 

 tisecta et decomposita, rarius articulato - composita, subcar-' 

 nosa V. sessiha, apicibus v. dichotomiis gemmifera, conco- 

 loria V. discoloria , membranac. pehocida v. coriacea, annua v- 

 bi-perennia, novella circinatim involulo-convoluta, raro stricta. 

 Petiolus (stipps) fasciculo vasor. 1 ad 70 praeditus, basi saepe 

 articularis, teres, semiteres v. canahculatus, in lamina con- 

 tinuatus, rachin sibi conformem, simphcem (coslam) v. de- 

 compositam et rachillas pinnarum , pinnular. et segmento- 

 rum, in pagina fohi infera, rarius utraque prominulas v. in- 

 trarias efficit, in venas graciles, pellucidas, venulasque simpl., 

 pinnatas, furcatas v. flabellatas diramificandas, ni, rachi cras- 

 siori evanida, mox in venas venulasque dissipetur. Stomatia 

 ssepius dorsaha, rarius nuUa. AntJieridia vix ulla: bursiculae 

 sporangiis intermixtae, illis Hydropteridum subanalogae (?), 

 Sporangia (capsulae) hypophylla, raro et epiphylla, minuta, 

 lenticularia , turbinata v. subglobosa, saepius annulo^ e cate- 

 nula unica cellularum (10-^0) formato, verticah, obliquo v. 

 transversali, h completo v. cbsoleto, cincla, ruptilia, ri- 



