PHILIPPINK SPECIES OF DUYUITEKIS. 203 



2C}. Dryopteris chamaeotaria ii. subsp. 



Rhizoniate subrepGnte, stipitibus ap})r().\imatis, ((■iniibus, flexuosis, 10 

 ad 13 cm. longis, parce puberulis et squamis pallide fuscis subulatis 

 sparsis, rufostramineis, fronde ovata 13 cm. longa 7 cm. lata, magna 

 pinna libera ovato-acuminata basi gi-osse lobata (5 cm. longa 3 cm. lata 

 terminata, 2 vel 3 pinnis lateralibus utrinque, alternis, pctiolulatis, su- 

 I)remis adnatis, similibus sive valde reductis ovato- aut rhoml)eo-obtusis, 

 nervis pinnatis, 4 areolas inter costani marginemque formantibus, soris 

 fere 1 mm. latis rotundis, usque ad 5 pro lol)o utroque costulae laterc, 

 uti videter exindusiatis, rhachibus faciebusque minute ])uberulis, textura 

 herbacea, colorc laete virente. 



LuzoN, Province of Bataan, Lamao River, Mount Mariveles (1369 Whitford) 

 September, 1905; (387 Toppvng) May. 1904; (0970 Elmcr) November, 1904. 



A small deformed plant connected with tlie type of D. Otaria, analogous to 

 the relationship between D. diversiloba and Z). canescens, an insular reduced 

 forni with feeble characters. 



27. Dryopteris Otaria (Kunze) 0. Ktze. Rev. Gen. Pl. 2 (1891) 813. Aspid- 

 ium Otaria Kunze; Mett Aspid. 34. n. 73. 



Palawan (764 Merrill) February, 1903. 



Rare, but distributed across the Malayan region. 



28. Dryopteris Ramosii n. sp. 



Habitu cum Meniscio triphyUo v. elato valdc conveniens, pinuis \'al(le 

 remotis, paucis, fere integris, caudatis, gemmaque minuta axillari pecu- 

 liaris. Planta debilis, textura tenui. 



Rhizomate breviter repente crasso radicoso brunnco, foliis paucis aj)- 

 proximatis, stipite flexuoso basi incrassato squamulis paucis hrevibus 

 sparso rufo-stramineo, ad basin pennae anserinae, porro vix corvinae cras- 

 sitie, 35 usque ad 60 cm. longa, frondem multum superante; tota planta 

 nuda; fronde 20 ad 35 cm. longa, oblonga, pinnata, pinnis valde remotis, 

 5 cm. distantibus, alternis, paucis, 1 ad 4 utrinque cum pinna terminali 

 longe petiolata, pinnis erecto patentibus basi cuneatis, fere sessilibus, 

 ovato-oblongis 12 ad 15 cm. longis, 3 cm. latis, longe et abrupte caudato 

 acuminatis, margine subintegris aut repando-cimeatis, in axilla rhachiali 

 saepe genima rotunda minima praeditis, costulis manifestis sed tenuibus 

 a costa ad marginem protensis 6 mm. separatis, nervis ca. 8 ad 10 utrinque, 

 omnibus more Meniscii junctis et nervulos intermedios longitudinaliter 

 Junctos emittentibus, soris minutis, brunneis, rotundis, 7 aut 8 utroque 

 costulae latere, costulae approximatis, indusio nullo. Textura herbacea 

 aut papyracea, colore obscure viridi, subtus pallidiore. D. otaria longe 

 recedit pinnis lobato-serratis, indusio etc : 



LuzoN, Province of Rizal (1792 Ramos) January, 1907. Mindoro, Mount 

 Halcon (6093 MerriU) November, 1906. 



