rHILIPPINE SPECIES OF DRYOPTERIS. 207 



40. Dryopteris rubida (J. Sni.) O. Kuntze Rev. Gen. Pl. 2 (1801) Sl:l. 

 Ganioptcris rubidd J. Sni. in Hook. Journ. Bot. 3 (iS-tl) 395; 1'ohjpodium 

 rubidum Hook. Sp. Fil. 5: 12. 



• LuzoN (415 Cuming) -. Provinee of Bataan, Mount Mariveles (272 Whitford) 

 May, 1904. Palawan ((575, 684 Foa>irorthi/) March, April. 190(). 



The base of the stipe, which is not deserilied by Hoohcr, is as thick as one'.s 

 finger, covered witli subulate stiff dark brown scales 2 cni. long, and also pustular. 



Endemic to the Pliilippines. 



41. Dryopteris triphylla (Sw.) C. Chr. Ind. Fil. (1905) 298. Meniscium 

 friphi/Uum S\v. in Schrad. Journ. 1800^: 16. 



LuzoN (11609 W(irburg). Leyte (299 Cuming). Negros (7(i Cujwhind) ; 

 Gimagaan River ( l(iO(i Wliitford) May, 1906. 

 Malayan region. 



Var. elata n. var. 



Majus, 60 cm. et ultra alta, pinnis saepius 5, reniotis fere lanceolatis 

 valde elongato-candatis, soris brevibus non junctis. 



Negros, Gimagaan River (1608 Whitford) May, 1906. Luzox. Province of 

 Rizal, Mabacal {Loher) March, 1906; Angilog (Loher) March. 1906. 



11. LASTREA ( including P/iejrop^em ) . 



42. Dryopteris Loheriana (Christ) C. Chr. Ind. Fil. (1905) 275. Aspidium 

 Loherianum Christ. in Bull. Herb. Boiss. 6 (1898) 191. 



LuzoN, Province of Rizal, Montalban (Loher) October, 1890; Mount Batay 

 (Lohcr) April, 1905: Province of Laguna, Mount Maquiling (Lohcr) April, 

 1906: Province of Pampanga, Mount Arayat (3908 Merrill) October, 1904: Dis- 

 trict of Lepanto, Balili ( l^lOh Copeland) November, 1905. 



This species, whicli lias all tlie appearances of a Lastrea, sometimes has the 

 basal nerves joined. 



Endemic to the Pliilippines. 



43. Dryopteris stenobasis C. Chr. Ind. Fil. (1905) 294. Lastrea aitenuata 

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



Samar (327 Cumiiig). ' 



Tliis species presents in the greatest degree the reduction of the lower pinnae, jy CWevwt/i 

 a character common to so many of the Philippine species. Tlie jjosition of the - / 



species, witli its numerous nerves in tlie very narrow iobes, is uncertain and /f 

 seems to approach Nejyhrodiuni. 



Endemic. 



44. Dryopteris orientalis (Gmel.) C. Chr. Ind. Fil. (1905) 281. Polgpodiuin 

 nrienfalc Gmel. Syst. 2: 1312. 



Var. Webbiana (Hook.) Xcphrodium Wcbhianum Hook. Sp. Fil. 4: 85. 



Difl'ers from D. oric-ntalis (Polypodium pectinatum Forsk. and .\spidium 

 albopuiictafum Bory) in iacking tiie calcareous coating on the u|)per surface 

 and the lobes more liorizontal and more angular, but it is not more than a 

 variety of tlie African species. It is found also in Aniboina and the Viti Islands, 

 and appears unexpectedly in the Piiilippines. The Ishind of R^nnion is the 

 intermediate place in its distrihution. 



MiNDANAO, Province of Zainboanga, San Ramon (1712 Copcland) April, 1905, 

 alt. 850 m. 



Eastern Malayan region, rare and widelj' distributed. 



