8. hymenophyllum. § 2. leptocionium. 81 



merou§. Pinnulae short. Segments and rachises aculeato-dentate, crisped, 



te, 

 35a) H. klabatense, Christ, Fil. Saras., I, 4; H. muUifidum, 

 t (not Sw.), in Ann. Btz., XV, 98. 



Ihizome creeping, wiry, copiously hairy, tJie hairs long, pale-ferrug- 

 s. Stipes wiry, 7% — lo cm. long, hairy like the rachis, the hairs n, 



ir to those of the rhizome, less copious, deciduous. Fronds ovate, 

 pinnate at the base, 10 — 12 '/j cm. long, acuminate, the main rachis e 



wly marginate in the lower part, winged in the upper part, the ^i 



ses of the pinnae and pinnulae winged throughout or nearly so, the ;h 



i entire. Lower pinnae ovate or lanceolate, to + 3 cm. long. Lower -n 



ry segments forked or pinnate. Ultimate segments linear, to 5 mm. it 



by about '/j mm- broad, blunt, serrulate. Texture thin; surfaces y, 



1 ; colour dark-brown when dry ; a single central rib carried into each e, 



ate segmetit. Sori decurved, subaxillary on the pinnae or pinnulae, 

 bbrevlated segments; indusium rather large, oblong, cleft %-wa,j 

 I, narrowly 2-marginate below the valves, the valves wide-opened at 

 maturity, rounded at the apex, the base obconical, provided with I, 



ered, longitudinal crests often with a free short-dentiform or long. r. 



late appendix; receptacle included. — The description is taken from '»» 



ders' No. 17136^. 



Celebes. d 



r lliriiU^IWikt or towardiUlie apexj)nly.^F^y|E| ^ or obl^BHy— 8 c.M. 

 7 long, 1 — 3 c.M. broad, the main rachis winged throughout. Pinnae cut down 

 to a winged rachis into simple, pinnatifid to 2-pinnatifid or once to more times 

 forked pinnulae. Ultimate segments + 1 — B m.M. long or longer, + '/^ — 1 

 m.M. broad. Sori 1 — 5 to a pinna; indusium divided + '/j'^^Y down or 

 deeper, the valves toothed, the outer surface covered with scattered, sharp 

 prickles. 



Malaya; Ceylon. 



• (41) H. dentleulatnin, Ste., Hk. Bk., Syn. Fil., 71 ; Rac, Flor. Btz., 

 I, 21, p. p.; Bedd., Ferns Br.I., II, tab. CGLXXVIII; Leptocionium denticulatum, 

 V. D. B., Hymen. Jav., tab. XXIX. 



Rhizome filiform, sparingly hairy. Stipes 2—5 c.M. long, nudate, or nar- 

 rowly winged towards the apex. Fronds ovate-triangular, 5—8 c.M. long, 

 2i^j^_5 c.M. broad at the base; main rachis margined throughout with a 

 narrow, slightly undulated wing. Pinnae slightly crisped, the lower ones 



PiLICES, 6 



