I t e !
A C R O S T I C H UM L A N G S U O R F I I .
FILICES.—G y r a t æ . B r . P o l y p o d i a c e æ . K a u lf. F i l i c e s v e ræ . Willd.
Gen. Char. A C R O S T I C H U M , Limi. S o r i amorphi, scu Capsula per totam paginam inferiorem
frondis (interdum diversæ) ad ejus partem sparsæ. Involucrum nullum (nisi squa-
mulæ vel setæ in quibusdam capsulis intcrstinctæ). B r .
A c r o s t ic h u m L a n g s d o r fii; fronde simplici, sterili lato-, fertili augusto-lanceolata, basi apiceque
acuta utrinque margine stipiteque dense squamosis, squamis lo n g e ciliatis.
H a b . In Brasilia, Provincia Minas Geraes. L an g sd o rff.
Caudex repens, crassus, squamosus, inferne radicosus ; radicibus fibrosis, ramosis, subtomentosis.
S tip e s spithamæus, dense paleaceo-squamosus ; squamis ovatis, acuminatis, margine ubique ciliatis.
F?-o«sfere ex acte lanceolata, coriacea; ste rilis spithamoea, lato-lanceolata, basi apiceque acuta, costata, utrinque
margineque squamis late ovatis obscure reticulatis, longe ciliatis, ferrugineis densissime t e c ta : /erri'fi's magis
angusta, facie superiore, margine costaque inferiore præcipue squamosa.
Cap su la faciem superiorem omnino tegentes, costa excepta, subglobosoe, sublonge pedicellatæ, annulo fere completo
cinctæ.
Semina oblongo-ovalia, intense fusca.
F ig . 1. Squama stipitis. f. 2. Squama frondis. f. 3. Capsuloe. f. 4 : Sem\n&:— magn. auct.
Allied to the A c rastichm n m c d s x fo lm m from Tristan da Cunha, already figured in this w o rk ;
but distinguished from it by its larger size, more acute base and apex o f th e frond, and by the
very different structure o f the scales b o th o f the frond and stipes.
Ill
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