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PLANTARUM %fy - Algaebase

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02 CYATHEACEAE. ALSOPHILA.<br />

Jam expositis iis, quae cl. H. MOHL de filicum structura anatomica egit, di-<br />

versas illarum nonnullas formas exhibemus, ab iis exordientes, quae omnium ma-<br />

ximae atque caudice arboreo prae aliis insignes sunt.<br />

FILICES L., Sw., R, BR.<br />

CYATHEACEAE.<br />

Polypodiacearum R. BR. et Cyatheacearum KAULF. Filicum<br />

verarum SPR. genera nonnulla.<br />

SPORANGIA in receptaculo plus minus elevato subsessilia, annulo vero excentrico<br />

lato donata. GONGYLI triquetri vel trilobi.<br />

I. ALSOPHILA R. BR.<br />

Polypodii, Aspidii et Cyalheae spec, auctorum. — Chnoo-<br />

phora Kaulf. — Trichopteris Presl. Spreng.<br />

SORI hemisphaerici vel subglobosi, sessiles in RECEPTACULO elevato (oblongo vel<br />

semigloboso), e venae bifurcatione vel rarius e venae medio orto. INDUSIA (si ita<br />

vis) incompleta, receptaculo enata, constantia pilis articulatis plerisque periphericis,<br />

aut rarius membrana cellulosa in pilos profunde lacero-multifida, interdum obsoleta.<br />

Caudex arborescens. Frondes spiratim aut verticillatim positae , plerumque<br />

bipinnato-partitae, pinnulis incisis vel pinnatifidis, rarius bipinnatae vel pinnatae.<br />

Stipites plerisque aculeati. Rhachis, nervi, nervuli et venae subtus saepe paleis<br />

planis aut cucullatis adspersi. Sori secundum nervulum seriali, distincli aut con-<br />

fluentes, rarius sparsi.<br />

ADNOTATIO. Hoc genus quoad venarum decursum atque soro<br />

genera dispesci potest:<br />

* in tres sections s. tub-<br />

I. CHNOOPHORA, venis bifurcis, cruribus simplicibus aut iteru<br />

•enulisque parallelis; sons<br />

s. Frondes in n otis speciebus bipinnatae,<br />

pinnulis integris. Hue Chnoophora Kaulf. (Catal. Herb.) ex parte, el t Trichopteris IV, isl.<br />

II. HAPLOPHLEBIA , venis plerisque simplicibus, non parallels , i. e. plus min,<br />

decursu venarum distinctis. Frondes bipinnato-partitae, pinnulis inci<br />

tiiidis.

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