255 
ADIANTUM I jinn. 
Adiantum opacum Copel. sp. nov. 
Ehizomate breve, paleis angiistissimis 4 mm. longis castaneis vestito; 
stipitibiis eonfertis, 20 cm. altis, gracilibiis, basibus pilis sparsis G mm. 
longis vestitis, deiii glabris, sursnm rliachibnsque infra brevissinie pnbes- 
centibns; froncle 16-20 cm. alia, ovata, tripinnata; pecliculis pinnularnm 
1.5 mm. altis, persistent: bus; pinnnlis clecidnis, plerumque dimidiatis, 
ca. 8 mm. altis, 10-12 mm. latis, glabris, pallidis, papyraceo-opacis ; 
margine anguste cartilaginea, basiscopica pins minus recta Integra, acros- 
copica rotundata in lobos 2-4 leviter crenata; vennlis flabellatis, proximis, 
liberis; soro in lobo qiioque nno, magno, 1.5-3 mm. lato, 1-1.5 mm. alto, 
nigro-fnsco, sporangiis fere ad vennlas restrictis. (Tab. III.) 
Palawan, ad ripas flumimim. Foxworthy 869 (Iwaliig) , 874 (monte Victoria) . 
Near A. pulcheJhim Bl., but a smaller fern, with few large soil, and pinnules 
of different form. 
PTERIS Linn. 
Pteris Whitfordi Copel. sp. nov. 
Species Pteridi’ quadriauritae qua segmentis aiigulo acuto, 30°-40°, 
costa orientibus, sinubus angustissiniis fere vel usque ad costam attin- 
gentibus differt, affinis. Stipitibus confertis, 35-50 cm. altis, deorsum 
paleis laete castaneis 6 mm. longis lanceolatis vestitis; fronde 35 cm. 
plus minus alta, ovata; venulis conspicuis, glabris. 
Negros, ad saxa prope fliiminem Gimagan. Whitford 1660. 
MONOGRAM M A Sclik. 
Monogramma ( Pleurogramtne) intermedia Copel. sp. nov. 
Ehizomate erecto, gracile, basibus brunneis frondium dense obtecto; 
frondibus confertis, 4-6 cm. altis, 3-5 mm. latis, obtusis, deorsum sensiin 
ad pedes sessiles angustatis, integris marginibus acieformibus, glabris, 
idioblastis in epidermide carentibus, coriaceis; costa supra sulca angusta 
notata; venulis inimersis, occultis; soris continuis, medialibus, ad partem 
superiorem frondis restrictis, in sulcis 0.6 mm. altis marginem versus 
apertis immersis. 
Negros, monte Silay, 1,000 m. s. in. Whitford 1503. Epiphytica. 
A most distinct species. My disposition is to recognize Presl’s Pleurogramme 
as a distinct genus. 
POLYPODIUM Linn. 
Polypodium Merritti Copel. sp. nov. 
Ehizomate breve, repente, 2 mm. crasso, paleis 2 mm. longis lanceolatis 
glanduloso-ciliatis fulvo-ferrugineis vestito; stipitibus 1-2 cm. altis, non 
ad rhizomatem articulatis, tenuibus, frondeque tota pilis brevissimis 
hyalinis sparsis siibglandulosis ; fronde 10-17 cm. alta, ca. 1 cm. lata, 
vix sursum angustata, crasso-herbacea, fere ad rhachin pinnatifida; seg- 
mentis obi ongis,. plerumque obtusis, decurrenti-coniiuentibus, obtuse den- 
tatis dentibus utroque latere 1-3 ; venulis simplicibus, inconspicuis, intra 
