78 8. HYMENOPHTLLUM. § 2. LEPTOCIOl»roM. 



side. Lacinulae subfastigiate, narrow, linear, flat, the margin serrate, the 

 teeth remote, subulate, elongate. Texture membranaceous, rather firm; colour 

 reddish-brown, subopaque. Sori small, terminal on the frond; indusium 

 tubular, compressed, 2-fid + to the base, the valves truncate-rotundate and 

 unecpially subulate-dentate at the outer edge; receptacle setiform, thick. 

 Malaya; Assam. 



(29) H. tunbrid^ense, Sm., Hk. Bk., Syn. Fil, 67; Hk., Br. 

 Ferns, tab. XLIII; Bcdd., Fcrno S.I., tab. CCLXV ; Bau. & Hk., Gen. Fil., 

 tab. XXXII. 



Stipes 1 — 4 c.M. long, winged in the upper part. Fronds oblong-lanceolate, 

 S'/a — 8 c.M. long, 1 — 2'/j c.M. broad; main rachis winged throughout. Pinnae 

 distichous, subtlabellato-pinnatifid, the lobes S'/j — 7'/2 mM. long, and (as well 

 as. the usually, solitary, axillary, suborbicular indusia) spinuloso-serrate. 



In the temperate sones^ and the cool, alpine regions of the tropics. 



» (50) H. holochiliim, C. Chr., Ind. Fil.; H. affine, Rac. (not 



V. D. B.), Flor. Btz., I, 20; H. Smithii, Hk, Hk. Bk., Syn. Fil., 69, p. p.; ^ 



Leptocionium holochilum 4" affine, V. D. B., Hymen. Jav., tab. XXXIV — ^XXXV. -g 



Bhizome slender, filiform, sparingly hairy. Stipes filiform, 2 — 5 c.M. g 



" ® 

 long. Fronds oblong to lanceolate-oblong, 4—10 c.M. long, 1 '/j — oV, c.M. n, 



broad; main rachis winged throughout or in the upper half only. Pinnae ^ 



cut down to a winged rachis into 1 — 4 simple or forked piimulae. Ultimate ® 



segments 1 — 2 m.M. broad, the margin toothed. Sori 1—4 to a pinna, ^ 



terminal on short lobes, occupying the anterior side of the higher pinnae; 



indusium ifcovate-oblong, the base + obconical,! provided with some [\ ot\ - 



'^tudinal, crest-like ridges, the valves blunt, more or less distinctly denticulate, § \ 



or cpiite -entire. ^ 



Malaya. p.1 



♦ (31) H. blanclum, viae., Flor. Btz., I, 20. 1 1 



Bhizome filiform, sparingly hairy. Stipes \\—^\ c.M. long, filiform, V' 

 very slender. Fronds irregularly dbovate, 2—4 c.M. long, 1—2 c.M. broad, & 

 C simply pinnate or 2-pinnatifid, the" rachis at best winged above. Lower "^ 

 pinnae short-stalked, often forked or pinnatifid, the higher ones commonly " , 

 undivided, sessile with a narrowed base. Ultimate segments from 1 — 10 m.M. S. 

 long. Sori terminal on the segments; indusium oblong, the valves with the apex ^-j, 

 blunt and toothedj 

 Java. 



