86 9. TRIGHOMANES § 1. EUTRICHOIUNES. b. HGUIPHLEBinH. 



(3) T. pannosum, Ces., Fel. Becc. Polin., 2 & 6; T. M o tk^i; 

 V. D. B., my., G. Ghr., Ind. Fil. 



Near T. Motleyi, V. D. B. Fronds 10 — 15 m.M. each way, lobed, nigro- 

 pannose beneath. Sorus not exserted; indusium subcylindrical, the mouth dis- 

 tinctly 2-lipped. 



New Guinea. 



(4) T. Beccarianum, Ce*., Fel. di Bor., 8, tab. I, fig. 2; (?T. Motleyi, 

 Y. D. B., G. Clu. Lid. FTTjr 



Like T. Motleyi, V. D. B., but the fronds ovate, oblong or linear-oblong, not 

 cordate-orbicular, less pellucid; veins close, divaricating. Sorus solitary, terminal, 

 short; indusium short, the mouth dilated, spreading. 



Borneo. 



(5) T. bimarginatum, r. J>. jr., Ned. Kruidk. Arch., V*, 145; 

 T. neilgherrense, Bedd., Hk. Bk., Syn. Fil., 74; Bedd., Ferns S.L, lab. VI; 

 Microgonium bimarginatum, V. D. B. (oldest name). 



Stipes 2'/2 — 5 mm. long. Fronds 1 — 1% c.M. long, a'/j — 5 m.M. broad, 

 oblong-lanceolate, not lobed, sometimes bifid at the apex; spurious venules 

 numerous. Sori 1 — 2, terminal; indusium more or less sunk in the frond, 

 the mouth exserted, with 2 large, rounded lips. 



Malaya to Polynesia, Formosa, South. India, Ceylon, Australia. 



« (6) T. sublimbatnni, jr. MiOl., Bac, Flor. Btz., \, 25; T. mus- 

 cmdes, Bk. (not Sw.), Hk. Bk., Syn. Fil., 75; Microgonium subUmbatum, V.D.B., 

 Hymen. Jav., tab. IL 



Rhizome creeping, filiform, hairy at the apex. Stipes, filiform, naked, 

 1—10 m.M. long, 1—3 c.M. apart. Fronds I'j^ — Tj^ c.M. long, + 1 — 2 

 c.M. broad, varying in shape from linear to oblong or suborbicular, entire to 

 bluntly lobed, especially above. Texture very thin; both surfaces naked; costa 

 pinnate; veins simple or forked; spurious venules faint but-^pious. Sori 

 1 — 8, terminal on the lobes ; indusium sunk in the frond, the mouth free, 

 dilated, often obscurely 2-lipped. 



Malaya; Khasia. 



