The Philippine Journal of Science, C. Botany. 
Vol. VI, No. 3, July, 1911. 
NEW OR INTERESTING PHILIPPINE FERNS, V. 
By Edwin Bingham Copeland. 
( From the College of Agriculture, Los Banos, P. I.) 
CYATHEA Smith. 
Cyathea Robinsonii Copel. spec. nova. 
Species foliis tripinnatis C. integrae J. Sm, affinis ; trnnco 2-4, m 
alto, 4 cm crasso; stipite ca. 40 cm longo, basi paleis brunneis linear- 
ibus integris fere 2 cm longis vestito, sursum atropurpureo minute squa- 
muloso, hispido ; fronde ca. 1 m alta, 70 cm lata, abrupte acuta, rha- 
chibus praesertim minoribus paleis linearibus fulvis densissime et aliis 
minutis vestitis, pinnis apicalibus simplice pinnatis exceptis utroque 
latere ca. 9, infimis paullo reductis haud remotis, maximis medialibus, 
fere 40 cm longis, 16 cm latis, stipitula 2-3 cm longa; pinnulis stipitu- 
latis horizontalibus, 16 mm latis; pinnulis 11 usque mediam pinnulam 1 
liberis, infimis etiam brevissime pedieellatis, anguste ellipticis, obtusis, 
integris, supra glabris infra ad venulas setosis, supra purpureo-nigris, 
infra caeruleis, rigide papyraceis; venulis utroque latere ca. 6, furcatis; 
soris medialibus, indusio globose, fisso. 
Luzon, Province of Tayabas, Mount Binuang, Bur. Sci. 9394 Robinson, alt. 
875 m. 
As already stated this is a relative of C. Integra, but differs in various details. 
HYMENOPHYLLUM Smith. 
Hymenophyllum subflabellatum Ces. 
Luzon, Province, of Laguna, Mount Maquiling, altitude 1,050 m, leg. Copeland. 
The published description of this minute fern is, inadequate, but contains 
nothing to prevent this determination. It was originally described from Borneo. 
DRYOPTERIS Adans. 
Dryopteris sessilipinna Copel. spec. nova. 
Rhizomate repente, 2-3 mm crasso, ligneo; stipitibus confertis, 5-15 
cm altis, minute pubescentibus, pinnis remotis in rudimenta vix 2 mm 
longa abrupte contractis adspersis ; fronde 12-20 cm alta, 4-5 cm. lata, 
sursum sensim longe attenuata, pinnata, supra mediam solummodo pin- 
145 
