169 



Partes frondis sterilis venulis liberis donatae et frons fertilis Polvbotryam optime refcrunt, 

 hinc ex omnibus generis Feeani speciebus unicam reservari licct, quac cum alffi^a specie 

 genus rcformatum efficit, eo magis, cum Heteroncuron clar. Fec practer specicm genuinam e 

 Campio et Poecilopteride, generibus (juidem valde affinibus tamen satis divcrsis, coacervatum est. 



1. H. euspii)\TUM. — Ncphrodium? cuspidatum Presl rcl. haenk. I. 31. — Polystichum ? 

 cuspidatum Prcsl tent. pterid. 82. — Cyrtogonium sinuosum status junior J. Sm. in Hook. 

 jour. bot. III. 403. 



Habitat in insula Luzon ad portum Sorzogon (Hacnke), in Luzon provincia Albav 

 (Cuming pl. phil. n. 1G1.) 



Hhizoma repens, ramosum, paleis linearibus acutis fuscesccntibus satis dcnsc vestitum. 

 Herba digitalis usque fere spithamea, exsiccata fusccscens. Stipcs semi-bipolliearis, filiformis 

 tenuis, palcis linearibus acutis intcgris patentibus lineam longis fuscescentibus adspersus, 

 supra eanaliculatus. Frons hcrbacea, lineari-lanceolata, pinnata. Pinnac sterilcs lateralcs 

 trcs-quatuordccim lincas longae, oppositae alternaeque, infunae pctiolo scmilincali palcis 

 aliquot minulis slipato instructac saepe obovatae inaequalitcr trilobae basi acutac, lobis 

 obovatocuneatis obtusis cuspidatoscrrulatis , superiorcs scssiles oblongolanceolalae obtusae 

 remote obtuscque scrrulalac dentibus brevitcr euspidato-mucronatis, tcrminalis aut scx usque 

 decem lineas longa lanccolata obtusa basi lobo uno-duobus instrucla apicem versus cuspi- 

 datoserrulata aut quadripollicaris lincaris aeuti s sima aut obtusa remotc cuspidatoserrulata 

 apicc vcl sub apice prolifera. Venac in pinnis inliinis lobatis pinnatim divisac vcnulisquc 

 sunplices, in reliquis pinnis pracsertim in terminali in scricm unieam macularum oblonge 

 hcxagonnidearum anastomosantes apicem versus iterum simplices, venulisquc internae tenues. 

 Frons fertilis digitalis unijuge-pinnata, pinnis lateralibus petiolo fcre lincali insidentibus 

 circiter lineain longis subrotundatis minute crcnatis, tcnninali semi-sesquipollicari petiolo 

 nneali insidente lineari obtusa rcpando-crenulata basi angustato-acuta. Venac elongatac, sim- 

 pliccs. Sporangia crebra, fuscescentia, saepius venis venulisque, parcius parenchymati insidentia. 

 .2. II. akoutvm. — Hetcroncuron argutum Fce acrost. 9G. t. 2i. f. II. 



Habilat in insula Luzon ad . Manilam (Cuming pl. phil. n. lGl partim). 



Mfine priori, sed frondc slcrili ovata, pinnis magis divisis apice profunde scrratis. 

 scrraturis falcatis acutis, laciniis pinnulisque obovatis acutc scrratis, frondis fcrtilis pinnatac 

 lincaris pinnis ovali-cllipticis praeter inlimam scssilibus, tcrminali proximis duplo majori 

 divcrsum videtur. Frc in hac speeic vcnas anastomosantcs praetervidit ct illas vcnulasquc 

 liberag delineavit, quod generi contradicit. — llacc et antecedens species ob hcterogcncitatem 

 venarum (simplieium ct aiiastomosantium) ct macularum figuram atque simplicitatem proprium 

 genus elforinaie videntur, (juod optime Heteroncurum appellari potest. 



CAMPIUM Presl. — Aerostiehi spcc. Auct. — Holbitidis spec. Schott. — Cyrtogonii 



spec. J. Sm. — - lleteroncuri spcc. Fee. — Characterem genericum in tentamine ptcridogra- 



j)hiae d.itum iunnulatum eonservo. — Cur J. Smitli ct Fey nomcn gcncricum in novum 



mutavenmt et sine necessitatc synonymiam auxerunt, plane non intelligo. — Jcnkinsia in 



Hook. gcn. fil. t. 75. B. tamquam filix e Taenitideis, a J. Smith in Hook. jour. bot. IV. fbi 



99 



