8. HYMENOPHYLLUM. § 2. LEPTOCIONIUM. 101 



(43rt) H. maci'os<»a-uui, v. A. v. JR., in Bull. Btz., 1914, XVI, 18. 



Rhizome wide-creeping, filiform, deciduously long-hairy, the hairs 

 ferrugineous. Stipes scattered, filiform, + 1 — 4 cm. long, deciduously 

 hairy, winged in the upper half. Fronds oblong, ± 2 — 8 cm. long, 1 — 2 '4 

 cm. broad, 3 — 4-pinnate, the rachises winged. Pinnae erecto-patent, 

 crowded, rather imbricated, to 2 cm. long and 1 cm. broad. Ultimate 

 segments linear, + '/^ — 1 mm. broad, and, like the wings, curved (crisped) 

 and toothed at the edge, the teeth varying from short to long-subulate. 

 Texture firm-membranaceous ; surfaces naked; a single central vein in 

 each ultimate segment. Sori large, + 3 — 4 mm. long, axillary, on the lowest 

 anterior pinnulae in the smaller specimens, more copious in the larger 

 ones; indusium divided nearly Vj-way down, the base obconical, provided 

 with long-flmbriated appendages; valves semiorbicular, entire; receptacle 

 exserted. 



Sumatra. 



9. TRICHOIVLA^TVES, I,inni. 



§ 2. EUTRICHOMANES. 



(5a) T. iniii<Soi*euse, Christ, in Philipp. Journ., 111°, 270. 



Rhizome slender, branched, intricate, clothed with minute, brown 

 squamulae. Fronds close, numerous, densely caespitose, sessile, ± I'/j 

 cm. long, 2 — 3 mm. broad, either simple and narrowly lanceolate, obtuse, 

 narrowed gradually at the base, or lobed at the sides and apex, the 

 lobes 1 — 4, roundly ovate, + 172 mn^- longi obtuse; margin bounded 

 by a fine spurious vein. Texture thick, not diaphanous ; colour opaque, 

 brown-green ; surfaces naked except at the base of the frond and purveyed 

 there with brown setulae; costae distinct, black; veins oblique, black, 

 6 — 8 on each side, reaching the margin. Sori terminal, immersed, 

 dilated, subreniform; receptacle sometimes long-exserted. 



Mindoro. 



(6a) T. era^spealoucMrusBi, CopeL, in Philipp. .Tourn., VIF, 53. 



PJiizome creeping, filiform. Stipes short or nearly wanting, hairy. 

 Fronds 1—1 '/a cm- long, oblanceolate, entire or sparingly lobed, narrowed 

 at the base. Texture thin; surfaces hairy towards the base; 'costa 



