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210 CHRIST. 
51. Dryopteris flaccida (Bhime) O. Ktzo. Rev. Gen. PI. 2 (1891) 812. Aspi- 
dimn flnnnditm V>hm\erRm\m. (1828) IGl. 
Luzon, Province of Ben^met, Baguio (157, 171 Topping) January, 1003. 
Malaya, 
B2. Dryopteris erubescens (Wall.) C. Chr. Ind. Fil. (1905) 203. Polypo- 
dium eruhescenfi Wall. 
Mindanao, Province of Zamboanga, San Ramon (1012 CopeJand) January, 
1905, at 75 m. alt. 
Malaya. 
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53. Dryopteris Metteniana TTloronyni. MSS. n. sp. sub Nephrodium. Lastrea 
fipcctaWis J. Sm. in Hook. Journ. Bot. 3 (1841) 412, sed Aspidium ftpectahile 
Blurne Enum. 158 D. syrntativam anipleclitur. 
Differt a D, Syrmatico, cui similis dente in slum loborum posito, am- 
plitudine, pinms fere sessilibus et piiiuis basalibus postlce egregie auctis 
bipinnatifidis, texture membraiiacea, colore atroviridi^ soribus plurise- 
ri atis. 
Ampla, Jiuda, stipite plumbeo-straminoo valido, fronde 70 cm. longa 
30 cm. lata ovata^ acuminata, bi- et subtrlpinnatifida, pinnis patentibus 
remotis ca. 15 utrinque infra apieem pinnatifulum, inferioribiis breviter 
petiolatisj reliquis sessilibus, versus ba^iin postice attenuatis, ovato-oblongis 
supreniis lanceolatis 18 cm. longis 4 cm. et ultra latis superioribus 
angustioribus caudato acuminatis, basi cuneato-truncatis subinaequalibus, 
usque ad mediam laminam incisis, lobis grossis sinu aperto rotundato 
aeparatis subfalcatis ovatis usque ad 3 cm, longis et 1 cm. latis serrato- 
crenatis acutiuseulis, ca. 15 utrinque, dente in sinu posito, ca. 8 utrinque, 
pinnis infimis deorsum valde auctis, pinnula basali deflexa 7 cm. longa 
2)rofunde lobata, costis costulisque prominentibus stramineis, nervis 
tenuibus bi-aut trifurcatis, liberis, soris mediis minutis brunneis, ramo 
auteriore basali nervulorum impositis saepe biseriatis, G aut 7 utrinque, 
indusio uiinimo rudimcntario griseo. Textura tenuiter membranacea, 
colore atroviridi. 
LtJZON (13 Cuming) "iJhstrea spectahilis J. Sui." in Hook. Journ, Bot. 3 (1841) 
412. Mindanao, Mount Batangun {^Varlurg) 1888. The same species is found 
in Celeiies, Maros Bantimurung, South Celebes (16586 Warburg) ; Takale Kadjo, 
500 m, alt. [Sarasin) February, 1895. 
54. Dryopteris Syrmatica (Willd.) O. Ktze, Rev. Gen. PI. 2 (1891) 814. 
Aspidium Syrmattcum Willd. Sp. PI. 5: 237. 
Var. petiolosa n. var. 
Pinnis longe petiolatis (petiolb 1 cm. et ultra) supreniis sohimmodo 
subsossilibus, 16 cm. longis, 3.5 cm. latis, soris mediis minutis indusio 
griseo tectis. Khizomate monente Oopeland erecto terrestri. 
Luzon (14 Cuming) "Lastrea spectahilis J. Sm." in ITook. Journ. Bot. 3 
(1841) 412: Province of Laguna, Los Bafios {Alberto) May, 1905. Mindanao, 
Province of Zamboanga, San Ramon (736, 1581 Copeland) May, December, 1904: 
District of Davao (953, 928, 669 Copeland) ; Mount Batangan (14122 JVarburg) . 
The I'hilippine plant is distinguishable from those of soutlu-rn China (leg. 
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