210 
CHRIST. 
51. Dryopteris flaccida (Blume) 0. Ktze. Rev. Gen. PI. 2 (1891) 812. Aspi- 
diurn flaccidum Blume Enum. (1828) 161. 
Luzon, Province of Benguet, Baguio (157, 171 Topping) January, 1903. 
Malaya. 
52. Dryopteris erubescens (Wall.) C. Chr. Ind. Fil. (1905) 263. Polypo- 
dium erubescens Wall. 
Mindanao, Province of Zamboanga, San Ramon (1612 Copeland) January, 
1905, at 75 m. alt. 
Malaya. 
53. Dryopteris Metteniana Hieronym. MSS. n. sp. sub Nephrodium. Lastrea 
spectabilis J. Sm. in Hook. Journ. Bot. 3 (1841) 412, sed Aspidium spectabile 
Blume Enum. 158 D. syrmaticam amplectitur. 
Differt a D. Syrmatico , cui similis dente in sium loborum posito, am- 
plitudine, pinnis fere sessilibus et pinnis basalibus postice egregie auctis 
bipinnatifidis, texture membranacea, colore atroviridi, soribus plurise- 
riatis. 
Ampla, nuda, stipite plumbeo-stramineo valido, fronde 70 cm. longa 
30 cm. lata ovata, acuminata, bi- et subtripinnatifida, pinnis patentibus 
rfemotis ca. 15 utrinque infra apicem pinnatifidum, inferioribus breviter 
petiolatis, reliquis sessilibus, versus basin postice attenuatis, ovato-oblongis 
supremis 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 
separatis subfalcatis ovatis usque ad 3 cm. longis et 1 cm. latis serrato- 
crenatis acutiusculis, ca. 15 utrinque, dente in sinu posito, ca. 8 utrinque, 
pinnis infimis deorsum valde auctis, pinnula basali deflexa 7 cm. longa 
profunde lobata, costis costulisque prominentibus stramineis, nervis 
tenuibus bi-aut trifurcatis, liberis, soris mediis minutis brunneis, ramo 
anteriore basali nervulorum impositis saepe biseriatis, 6 aut 7 utrinque, 
indusio minimo rudimentario griseo. Textura tenuiter membranacea, 
colore atroviridi. 
Luzon (13 Cuming) “Lastrea spectabilis J. Sm.” in Hook. Journ. Bot. 3 (1841) 
412. Mindanao, Mount Batangan (Warburg) 1888. The same species is found 
in Celebes, 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 Syrmaticum Willd. Sp. PI. 5 : 237. 
Var. petiolosa n. var. 
Pinnis longe petiolatis (petiolo 1 cm. et ultra) supremis solummodo 
subsessilibus, 16 cm. longis, 3.5 cm. latis, soris mediis minutis indusio 
griseo tectis. Khizomate monente Copeland erecto terrestri. 
Luzon (14 Cuming) “Lastrea spectabilis J. Sm.” in Hook. Journ. Bot. 3 
(1841) 412: Province of Laguna, Los Banos (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 Warburg) . 
The Philippine plant is distinguishable from those of southern China (leg. 
