NEW OR INTERESTING PHILIPPINE FERNS, IV. 



By Edwin Bingham Copeland. 

 (From the Bureau of Education, Manila, P. I.) 



CYATHEA Smith. 



Cyathea philippinensis Baker, var. nuda var. nov. 



Costis plerisqne glaberrimis, aliis rhachin versus paleis sparsis vestitis, 

 rhaehibus omnibus infra mox glabrescentibus. 



LUZON, Province of Benguet, Mount Atip, For. Bur. 10859 Outran, For. Bur. 

 18011 Mcrritt, altitude 1,400 m. 



PERANEMA Don. 



Peranema luzonica sp. nov. 



Stipite circiter 30 cm alto, ubique sat dense pedem versus densissime 

 paleaceo, paleis brunneis diversis, majoribus lanceolato-ovatis valde api- 

 eulatis, 3 mm latis ; fronde usque ad 60 cm alta, anguste deltoidea, quadri- 

 pinnatifida, rhaehibus omnibus paleaceis; pinnulis ' stipitatis, oblongo- 

 lanceolatis, obtusis, usque ad 7 cm longis ; pinnulis u majoribus brevistipi- 

 tatis 13 mm longis, obtusis, oblongis, fere ad costam pinnatifidis, coriaceis, 

 pubescentibus ; soris brevipedicellatis, 1.2—1.5 mm latis, saepius oblatis, 

 indusiis glaucis, irregulariter fissis; cellulis annuli 1()-19; sporis tuber- 

 culatis. 



Luzon, Province of Benguet, Mount Pulog, For. Bur. 16280 Curran, Merritt, 

 tf- Zschokke, from an altitude of 2,500 m to the summit, Copeland. 



Very near the Indian species, P. cyatheoidcs Don, but differing from that as 

 described and figured, in the broader palea 1 , more dissected frond, and nowhere 

 glabrous pinnules, and the sori much larger in proportion to the fertile pinnae. 

 Specimens from western China, leg. Wilson 537Jf are referable to the Indian 

 species. 



DRYOPTERIS Adanson. 



Dryopteris tenerrima sp. nov. 



Ehizomate erecto, circiter 7 mm crasso; stipitibus circiter 20 cm altis, 

 confertis, ad baseos in vivo incrassatis, succulentibus, siccis gracilibus, 

 nigricantibus, apud baseos squamulis parvis laete brunneis ciliatis ornatis, 

 tota planta aliter glabra; fronde usque ad 25 cm alta, 15 cm lata, subdel- 

 toidea, tripinnatifida; pinnis inferioribus brevissime stipitatis, acuminatis; 

 pinnulis sessilibus, plerisque obtusis, pinnae infimae basiscopicis majoribus, 



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