218 SPECIMENS EXAMINED. SPECIMENS EXAMINED --- JAVA:
Adelbert 435; Arsin 19455; Backer 4479, 7855, 12004, 12574, 17745, 18638; Backer Posthumus 4, 108, 162, 308, 400, 419, 601; Bakhuizen vd Brink 1440,
2401, 3715, 5508; Beguin 76; Dorgello 1938; Hallier 678b; v. Heurn s.n. Pujon; Kooders 22754B; Lörzing 698, 699; Oosten a.17; Polak s.n. Rawa
Lakbok; Posthumus 1455a; T.Ng. Praptosuwiryo 630, 635, 637, 638, 1784, 1785; Raciborski s.n. Kota Batu; Rumka 3; Rutten 323; Zippelius 178. ---
MALAY PENINSULA: Newton, Z. Teruya 2343. --- BORNEO: K. Iwatsuki M. Kato, Gen Murata Y.P.Mogea B-194; M. Kato Y.P.Mogea B-224;
K.Iwatsuki, M. Kato, M. Okamoto, K. Ueda E.B. Walujo B-7190; M. Kato H. Wiriadinata B-6868; O. Posthumus 2065. ---SUMATRA: CH Lamourex
5652. --- BORNEO: T.Ng. Praptosuwiryo 2017, 2080, 2094b, 2094c, 2161b, 2161c, 2248a, 2248b.
24. Diplazium fraxinifolium Presl
Diplazium fraxinifolium Presl, Rel. Haenk 1: 49. 1825.
Athyrium fraxinifolium Presl Milde, Bot. Zeit. 28: 353. 1870.
Rhizome erect, 12 mm thick. Stipe 44.5-67 vm long, 4-7 mm thick, fallen or sparsely scales at base; scales on stipe 2.5-8 mm long, 1-1.5 mm broad, margin
entire, brown, concolour. Lamina simply pinnate, 37.5-46 cm long 22-44 cm broad, lateral pinnae 4-5 pairs, terminal pinna conform to the rest; pinnae 4-8 cm
distance, lower stalked 6-7 mm long, upper adnate, elliptical, 21.5-26 cm long, 4.5-6 cm broad, base cuneate, margin waved- crenate entirely or only toward
apex, or lobed to 16 way to costa, apex acuminate or caudate; veins group forming angle 50-65º, each crenation for one vein group; vein forked 5-7 times,
outer veinlets in each veinlets group uniting with outer adjacent veinlets group at 15-14 way from margin or less. Sori almost on each veinlet, cover ½-56 of
veinlet length 2.5-17 mm long, diplazioid on basal acroscopic, others asplenoid and opening toward acroscopic, except subbasal acroscopic ones opening towards
basiscopic; indusia pale brown, margin entire and darker, persistent, opening when mature.
DISTRIBUTION. Malaya, Borneo, New Guinea, Philippines.
219 ECOLOGY. Terrestrial on slope in light-deep shade, lowland rain forest
at 20-750 m s.l. SPECIMEN EXAMINED. --- Borneo: C. Boden Kloss 19028 BO,
SING; M. Kato H. Wiriadinata B-5568; B-4728; M.Kato, M. Okamoto K. Ueda B-11615, B-11659.
25. Diplazium fuliginosum Hook. M.G. Price
Diplazium fuliginosum Hook. M.G. Price, Brit. Fern Gaz. 10: 260. 1973;
Gard. Bull. S.S. 36 1: 26. 1983. Asplenium fuliginosum Hook. Sp. Fil. 3: 120. 1859; C.Chr. Gard. Bull. S.S. 7: 280. 1934; Athyrium fuliginosum Hook. Copel.
Philip. J. Sci. 56: 476. 1935; Asplenium lugubre Hook. Second Cent. Ferns 1861 t.3 non Liebm. 1849. Type: North Norneo, Mt. Kinabalu, H. Low K.
Athyrium longissimum Copel. Philip. J. Sci. 38: 139. 1929; Fern Fl.
Philip. 3: 411. 1961; Diplazium longissimum Copel. C.Chr. Ind. Fil. Suppl. 3: 74. 1934. Type: Philippines, Leyte, Dagami, Ramos BS 15269, Aug. 1912
MICH. Rhizome short, erect. Scales on stipes blackish, shining, margin entire, 6
mm cm long, 1.5 mm broad. Stipe 2.5-7 cm long, 3-3.5 mm diam, blackish when dry, densely scales. Lamina very narrowly elliptic, 31-79 cm long, 9-13 cm broad
at about 13 of upper part, lower 23 part fully pinnate, upper 13 part pinnatifid, free pinnae 15-32 pairs, lower pinnae 17 pairs gradually reduced downward;
pinnae subfacate, sessile, lanceolate, to 4.8 -6.7 cm long, 1.2-1.7 cm broad, base truncate, apex sharply acute, margin subentire; texture very thin; rachis densely
scales beneath; veins free, 1-3 forked, soriferous on acroscopic branch. Sori elongate along veinlets from basal almost reaching the margin; indusia dark
brown, margin entire, opening when mature. DISTRIBUTION. Bismarck Arch. New Ireland, New Guinea
widespread, North Borneo Mt. Kinabalu, common, Philippines Leyte, one collection.
ECOLOGY. Occurring in shaded moist ravines in montane forests, c. 1000-3000 m.
220 SPECIMENS EXAMINED --- BORNEO: R.E. Holttum SFN 25529;
J.M.S. Clemens 33723; J. M.S. Clemens 31797.
26. Diplazium halimunense Praptosuwiryo, sp. Nov. Plate 5.
