Asi'iiiiK.i; — .m;i'iii:()I»ii .m. 21 



4. Lower ptnnse abruptly reduced to auri- 

 cles (57) .V. /us/ik/iz/k/ii 



4. Lower pinns not abruptly reduced to 

 auricles. 

 5. Stipe black flbrlllose, later rough.. (58) N. fcrox 

 5. Stipe nalcpd or villous. 



6. Frond about 40 cm. high. 



sort medial (59) N. parasUicum 



6. Frond about 1 m. high, sort 



close to veins (60) N. trunratum 



(1) N. hirtipes (Bl.) Hooker. Stipes tufted, 30 cm. or iiiort- liigli, 

 densely clotliod with long, blackish, fibrillose scales; frond CO to 100 

 cm. hi{;;h, 20 to 40 cm. hroad ; pinna' 10 to 20 cm. long, 2 to 3 cm. broad, 

 cleft about one-third of the way to the midrib into obtu.se lobes, herbaceous, 

 glabrous, the lower ones not reduced; rachis fibrillose like the stipe; 

 veinlets 4 or 5 on each side; sori medial, indusium sometimes wanting. 



Benmiot and Ararat, Lohcr. 

 India and Malaya. 



(2) N. distans (Don) Diels. Rhizome more or less creeping; stipes 

 30 to 45 cm. high, slender, glossy, stramineous or chestnut; frond 40 to 

 100,cin. high. 20 to 30 em. or more l)road; lowest pinnse rather tlie largest, 

 15 to 20 cm. long, 4 cm. broad, cut down nearly or quite to the rachis 

 into deeply piiiiiatilld pinnules 6 mm. broad, with obtuse or acute, toothed 

 or subentire lobes, herbaceous, slightly pubescent beneath; rachis naked; 

 veinlets slightly pinnate in the lower lobes, pellucid; sori scattered, copious, 

 e.xindusiate. 



Benguet, Loher. 

 India to C'elel)es. 



(3) N, grammitoides i Christ, Bull. Herb. Boiss. 6:193). Rhizome 

 short creeping, scaly; stipes weak, 3 to 4 cm. high, stramineous, clothed, 

 like the entire plant, with short, stiff, whitish hairs; frond 5 to 7 cm. 

 long. 15 to 20 mm. broad, catidate-attenuate, broadest at the base, bipin- 

 natifid; free pinnte about pairs, remote, alternate, sessile, triangular- 

 deltoid, acuminate, incised below to the costa into acute, triangular, 

 crenatc lobes 4 mm. long; veins pinnate in the lobes; sori minute, round, 



3 or 4 on each side of the vein; indusium minute and pilose, or wanting. 

 Mount Mariveles, 1,400 m., Loher. 



(4) N. crassifolium Hooker. Stipes tufted, 30 cm. or more liigh. 

 glossy, slightly villous; frond 40 to GO cm. high, 20 to 30 cm. broad; 

 pinna; 10 to 15 cm. long. 2 to 4 cm. broad, their lobes obtuse, falcate, 



4 to 6 mm. broad, reaching from half to two-thirds down to the midrib, 

 subcoriaceous, glossy but the midribs finely villous, lower pinna; distinctly 

 stalked; veinlets 10 to 12 on each side, with the sori nearer the midrib 

 than the margin; indusiiun small, evanescent. 



Philippines, Loher; Negros, Copeland 93. 

 Malaya. 



(5) N. Fauriei (Christ) var. elatius (Christ) probably belongs here. 

 It is a small fern, with very narrow fronds, and consequently short pinnae, 



