156 cuiasT. 
10. Hymenophyllum formosum l?niokenr. U. S. Explor. Kxped. 16 (1854) 
20S. ^ 32. f. 3. 
^ Mindanao, Mount Apo (1442 Copclond) October, 1904, alt. 1,S00 m.; (340 
DeVore d Hoover) May, 1903. Our plants match the form represented by Tab. ^7 
Van den Bosch, Hynicnophyllaceae Javanicae, 
L 
r ■ 
11. Hymenophyllum Junghuhnli Van don Bosch Hymen. Jav. 00. Tab. .).'>. 
Luzon, District of Lepanto, Bagnen (1921 CopcJand) November, 1905, alt. 
1,950 m. Mindanao, Province of Misamis, Mount Malindang (4C38 Mmrns d 
Hutchinson) May, 190G. 
A form with very large sori and with broad segments. 
Tlie Philippine plants referred by various .authors to //. dilatatum Sw., are 
referable to the two above species. 
12. Hymenophyllum australe \Yilld. Sp. PI. 5; 527. 
Luzon, District of Lepanto, Mount Data (1873 Gopeland) October, 1005; 
Province of Benguet, Mount Tonglon [Loher];- (5053 Curran) August, 1900. 
Mindanao, Mount Apo (324 DcVore d Boover) May, 1903. 
Xhe Philippine form has very narrow segments and is very compound, quadri- 
pinnatifid. Under the lens the margins are very finely denticulate. 
TRICHOMANES Linn. 
13. Trichomanes parvulum Poir. in Lam. Encycl. 8: 40. 
Luzon, Province of Bataan, Mount Mariveles (177 Whitfoi'd) May, 1004. 
14. Trichomanes diffusum Blume, Enum. 225. 
Luzon, Province of Lnguna, Mount Maquiling (5137 Merrill) March, 1906, 
300 m. alt. Mindanao, Province of Zamboanga, San Ramon (1052 CopcJand) 
April, 1905, 700 m. alt. 
■ 15. Trichomanes nitidulum Van den Bosch Hymen. Jav. 21. 
Luzon, Province of Benguet, Bagnio (G023 Elmer) March, 1904. 
10. Trichomanes rhomboideum J. Sm. in Hook. Journ. Bot. 3: 417; Van den 
Bosch Hymen. Jav. Tab. 2/f. 
Luzon, Province of Bataan, Moimt Mariveles (3121 Merrill) October, 1003; 
(200 Gopeland) Januaiy, 1904. 
This form, of the G ephalomanesr grou"^ which is richly developed in the Philip- 
pines, is distinguishable by its rounded pinnse, its elongated aristate teeth and 
long sori. 
17. Trichomanes Javanicum Blume, Enum. 224j Van den Bosch Hymen. Jav. 
Tab. 22. 
Luzon, Province of Rizal, Mabacal {Loher) March, 1900; Province of Laguna, 
Moimt Maqniling (Loficr) January, 1906; Province of Bataan, Mount Mariveles 
(203, 513 ^yhitford) July, 1904; (2397 Borden) January, 1905; (2420 Meyer) 
January, 1905; (207 Gopeland) February, 1904. Negros, Giinagaan River (1003 
Whitford) March, 1906. Palawan (578 Foxtoorthy) April, 1906. 
Common and widely distributed in the Philippines. 
Var. Intercalatum n. var. 
Soris margin] anteriorly apici sacpcqnc parti sni^criori marginis pos- 
terioris impositis nnniorosis (13) longe exsertis campanulato-clavatis ore 
non dilatatOj dentibus marginis posterioris elongatis aristatis conspieuis. 
Pinnis saepe dissectis. 
Luzon, Province of Laguna, !Mount Maquiling [Loher) January, 190fi; Province 
of Rizal, Oriud [Loher) February, 1900; Province of Benguet, Sablan (0214 
Elmer) April, 1904. 
i 
.^ 
I 
