82 HYMBNOPHYLLUM. § 2. LEPTOCIONIUM. 



oblong, deeply cleft with linear, flabellate or pinnatifid pinnulae.. Ultimate 

 segments toothed and crisped. Sori ± 1—2 to a pinna, occupying the 

 anterior pinnulae, terminal on short lobes; indusium ovate, divided about % 

 of the way down, the base provided with deeply and irregularly spinoso-fim- 

 briate appendages, the valves slightly retuso-denticulate towards_the apex. i 

 Trap. Asia. 



* (42) H. aeuleatuin, Je«c., (not Sm.), Flor. Btz., I, 21, p. p., H. 



aculealum, Bedd. (not V. D.' B.), Handb. Ind. Ferns, Suppl., 8, p. p. Leptocio- 

 nium aculeatum, V. D. B., Hymen. Jav., tab. XXXI. See Supplement 1. 



Like H. denticulatum, Sw., but smaller. Fronds ^%—^ c.M. long, ± 

 2Vj c.M. broad, the indusium not so deeply divided (± % of the way down), 

 the lips with the outer edge sharply toothed. 



Malaya; Ceylon. 



(45) O. hi s marekianmii, CfcmV* , Schum. & Laut., Ylau^m 



Sch. geb., Suppl., 34. 



Near H. denticulatum, Sw., but ^J^^Jax^er. Sori not axillary but ter- 

 minal on the segmentSj^jouadirfirmnute, blackish-brown; valves of the in- 

 dusiunieiiljjc%-nor^inose. 



New Guinea. — — 



(44) a. bracbyglossum, A. «»•., Kze, Bot. Zeit., i847, 227; 

 Lcptocionium Braunii, V. D. B., Hymen. Jav., 43, tab. XXXHI. 



Rhizome creeping, filiform, nearly naked. Stipes scattered, filiform, naked, 

 2 — 4 c.M. long. Fronds lanceolate or lanceolate-oblong, 3 — 6 c.M. long, 1 — 2 

 c.M. broad; main rachis winged throughout. Pinnae slightly crisped, cut 

 down to a winged rachis into simple or sometimes forked pinnulae. Ultimate 

 segments linear, toothed and + crisped. Sori 1 — 2 to a pinna, occupying 

 mostly the anterior side of the higher pinnae; indusium oblong, divided + 

 '/3-way down, the base provided with a row of rather close, repand, longitu- 

 dinal crests, the valves ± truncate or rounded, and toothed at the apex. 



Java, Borneo. 



&. TJRICHOJMA^IVES, Idnmi. 



Sori marginal, terminal on the veins. Indusium tubular, cupuliform, ob- 

 cottical or turbinate, of the same texture as the frond, exserted or more or 



