255 

 ADIANTUM Linn. 



Adiantum opacum Copel. sp. nov. 



Kbizomate breve, paleis angustissimis 4 mm. longis castaneis vestito; 

 stipitibus confertiBj 20 cm. altis, gracilibus, basibus pilis sparsis G mm. 

 longis vestitis, dein glabris, sursum rbachibusque infra brevissime pubes- 

 centibus; frond e 16—20 cm. alta, ovata, tripinnata; pediculis pinnularum 

 1.5 mm. altis, persistcntibus; pinnnlis deciduis, plerumque dimidiatis, 

 ca. 8 mm. altis, 10-12 mm. latis, glabris, pallidis, papyraceo-opacis ; 

 margine anguete cartilaginea, basiscopica plus minus recta Integra, acros- 

 copica rotundata in lobos 2-4 leviter crenata; venulis flabellatis, proximis, 

 Liberia; soro in lobo quoque uno, niagno, 1.5-3 mm. lato, 1-1.5 mm. alto, 

 nigro-fusco, sporangiis fere ad venulas restrictis. (Tab. III.) 



Palawan, ad ripas fluminum. Foxworthy 860 (Iwahig), 874 (monte Victoria). 

 Near A. pulchelltnii LI., but a smaller fern, with few large sori, and pinnules 

 of different form. 



PTERIS Linn. 



Pteris Whitfordi Copel. sp. nov. 



Species Pteridi quadriauritae qua segmentis angulo acuto, 30°— 40°, 

 costa orientibus, sinubus angustissimis fere vel usque ad costam attin- 

 gentibus differt, affinis. Stipitibus confertis, 35-50 cm. altis, deorsum 

 paleis laete castaneis 6 mm. longis lanceolatis vostitis; fronde 35 cm. 

 plus minus alta, ovata; venulis conspicuis, glabris. 

 Negbos, ad saxa prope fiuminem Gimagan. Whitford 1GG0. 

 MONOGRAM MA Schk. 



Monogramma (Pleurogramme) intermedia Copel. sp. nov. 



Tfbizomate erecto, gracile, basibus brunneis frondium dense obtecto; 

 frondibus confertis, 4-6 cm. altis, 3-5 mm. latis, obtusis, deorsum sensim 

 ad pedes sessiles angustatis, integris marginibus acieformibus, glabris, 

 idioblastis in epidermide carentibus, coriaceis; costa supra sulca angusta 

 notata; venulis immersis, occultis; soris continuis, medialibus, ad partem 

 superiorem frond is restrictis, in sulcis 0.6 mm. altis marginem versus 

 apertis immersis. 



Negros, monte Si lay, 1,000 in. s. m. Whitford 1503. Epiphytica. 

 A most distinct species. My disposition is to recognize Prefll'a Pleurogramme 

 as a distinct genus. 



POLYPODIUM Linn. 



Polypodium Merritti Copel. sp. nov. 



Kbizomate breve, repente, 2 mm. crasso, paleis 2 mm. longis lanceolatis 

 glanduloso-ciliatis fulvo-ferrugineis vestito; stipitibus 1-2 cm. altis, non 

 ad rbizomatem articulatis, tenuibus, frondeque tota pilis brevissimis 

 byalinis sparsis subglandulosis ; fronde 10-17 cm. alta, ca. 1 cm. lata, 

 vix sursum anguslata, erasso-herbacea, fere ad rhachin pinnatifida; seg- 

 mentis oblongis, plerumque obtusis, decurrenti-confluentibus, obtuse den- 

 tatis dentibus utroque latere 1-3 ; venulis simplicibus, inconspicuis, intra 



