﻿8. HYMENOPHYLLUM. § 2. LEPTOCIONlUM. 81 



merous. Pinnulae short. Segments and rachises aculeato-dentate, crisped, 

 filiform. Sori large, terminal, roundish, + 1 '/^ m.M. hroad; indusium buUate, 

 globose, scariose, the valves finely denticulate, not spinose on the back. 

 New Guinea 



(59) H. sabinifolinni. Bit., Hk. Bk., Syn. Fil., 71; H. aculeatum, 

 Bedd. fnot V. D. B.), Handb. Ind. Ferns, Suppl., 8, p. p. 



Stipes 2^2 — 5 c.M. long, naked or slightly winged. Fronds broadly ovate, 

 triangular, deeply 5-piunatifid, S'/j — 5 c.M. long, more than ^'/j c.M. broad 

 below; rachis margined throughout with a wing which is thickly beset with 

 aristate teeth. Pinnae crisped, the lower ones flabellato-pinnatifid nearly down 

 to the midrib. Ultimate segments very narrow, 5 — 8 m.M. long, deeply cut 

 up nearly to the midrib by numerous, strong, aristate teeth. Sori solitary, 

 supra-axillary; indusium spinose on the back, divided '/j -way down with ovate, 

 spinoso-serrate .valves. 



Java, Sumatra. 



* (40) H. Meesii, Jife., Hk. Bk., Syn. Fil., 71; Bedd., Fern Br.L, II, 

 tab. CCLXXIX; (H. denticulatum, Sw., Rac, Plor. Btz., I, 21, p. p.; C. Chr. 

 Ind. Fil.; H. aculeatum, Rac, 1. c, p. p.; C. Chr., 1. c); Leptocionium Neesii 

 ^ acanthoides, V. D. B., Hymen. Jav., tab. XXX & XXXII. 



Rhizome creeping, filiform, nearly naked. Stipes 2 — 5 c.M. long, winged 

 throughout or towards the apex only. Fronds deltoid or oblong 2^2 — 5 c.M. 

 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 — 5 m.M. long or longer, ± '/i — 1 

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

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

 prickles. 



Malaya; Ceylon. 



» (41) H. denticulatum, Sw., Hk. Bk., Syn. Fil., 71 ; Rac, Flor. Btz., 

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

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



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

 rowly winged towards the apex. Fronds ovate-triangular, 6 — 8 c.M. long, 

 272 — 5 c.M. broad at the base; main rachis margined throughout with a 

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



FiLICES. 6 



