PHILIPPINE SPECIER OF DRYOPTERIS. 211 



Eenry) and India by its very long petioled pinnae and smaller size. The same 

 variety has been found on Christmas Island, Straits Settlements (leg. Ridley) . 

 The type is widely distributed in Malaya. 



55. Dryopteris Sagenioides (Mett.) 0. Ktze. Rev. Gen. Pl. 2 (I89I) 813. 

 Aftpidium. tSayenioides j\Iett. Aspid. 11.3, No.,269. 



Leyte (.302 Cuming). Mindanao, Lake Lanao, Camp Keithley (386 Mrs. 

 Clemens) March, 1906: District of Davao, Todaya (1238 Copeland) April, 1904. 

 Eastern Malaya. 



56. Dryopteris Boryana (Willd.) C. Chr. Ind. Fil. (1905) 255. Aspidium 

 Boryanum Willd. Sp. PI. 5: 285. 



Forma jjinniilis ovatis ad tertiani aut qnartani partem solnmmodo in- 



eisis, aliter typica. 



LuzoN, District of Lepanto (1731 Copeland) Novemher, 1905, alt. 2,000 m. 

 Widely distributed in the Malayan region, reaching to Japan. 



57. Dryopteris viscosa (J. Sm.) O. Ktze. Rev. Gen. Pl. 2 (1891) 814. 

 Lastrea viscosa J. Sm. in Hook. Journ. Bot. 3 (1841) 412. 



Rliizomate crasso erecto semisupraterraneo stipitibus vetustis abunde 

 obtecto nigricante, foliis valde numerosis dense fasciculatis, stipitibus 

 rigidis pennae corvinae crassitie 12 aut 20 cm. longis, cum rhacbi pilis 

 ochreo-griseis dense tomentosis et insuper squamis ovatis atrobrunneis 

 0.3 cm. longis vestitis, fronde 25 ad 35 cm. longa, 8 ad 12 cm. lata 

 oblonga, acuminata, basi ob aliquot pinnas breviores attenuata, binipin- 

 natifida, pinnis 6 cm. longis, 1.5 cm. latis breviter acuminatis patentibus, 

 infimis detlexis, remotiusculis, 20 ad 25 utroque latere infra apicem 

 lobatum, sessilibus, fere usque ad eostam incisis, segmentis oblongis 

 obtusis angulo acuto separatis ca. 15 utrinque, subcrenatis, nervis 6 

 utrinque simplicibus, soris 1 mm. diametro, mediis rufobrunneis, indusio 

 persistente convexo coriaceo brimneo, costis costulis et facie imprimis 

 inferiore pilis rigidis albidis pubescentibus. Textura carnosula, colore 

 sicce atrobrunneo, opaca. 



MiNDANAO, District of Davao, Mount Apo (1022, 1044 Copeland) : (327 DeVore 

 tC- Hoover) May, 1903. LuzoN, Province of Bataan, Mount Mariveles (1105 

 Whitford) February, 1905. 



Malacca (401 Cuming) in herb. Bureau of Science. 



The affinity of this species is with D. polylepis (Fr. et Sav.) of China and 

 Japan. It is characterized by its thick erect rhizome, its double villosity con- 

 sisting of large blackish .scales and grayish-yellow pubescence, its somewhat 

 rteshy texture, and its very large brown persistent coriaceous indusia. It haa 

 the general appearance of a small member of the fdix nias group, but its nerves 

 are simple. An alpine forra. 



At isolated points from Perak, Malacca and Borneo. 



58. Dryopteris erythrosora (Eaton) O. Ktze. Rev. Gen. Pl. 2 (1891) 812. 

 Aspidium erythrosorum Eaton in Parry, Narr. Exp. to China 2 (1856) 330. 



LuzoN, District of Lepanto, Bagnen (1929 Copeland) November. 1905, alt. 



2,000 m. 



This peculiarly Chinese and Japanese species was found previously in Luzon 

 by Loher in 1894. Mount Tonglon, Province of Benguet, alt. 2.2,50 m. It is also 

 found is Assam, leg. Mann. 



