ASI'IIIIK.K XErilUOlUlM. 25 



often imbricate, with ovate or oblong pinnatifid segments with rt)unded 

 lobes, herbaceous, pale green, pubescent beneath as is the rachis; sori 

 copious; indusium large, pale, villous. 



Cagayan-Luzon, Warburg 12205; Benguet, Loher, Elmer G480, G505; 

 Arayat, Loher. 



Cape Verde Islands to China. 



(23) N. recedens (J. Sni.) Hooker. Rhizome wide-creeping; stipe 

 about 30 cm. high, erect, villous, soft, clothed at the base with squarrose, 

 linear scales; frond 40 to 60 cm. high, 30 cm. or more broad, deltoid; 

 lower pinna> much the largest, 15 to 30 cm. long, 10 to 15 cm. broad; 

 pinnules of the lower side the largest, sometimes 15 cm. long, 5 cm. 

 broad, with distinct, one-sided lanceolate segments with close, slightly 

 toothed linear-oblong lobes, firm, nearly glabrous; rachises villous; sori 

 small, G to 8 aroiuid the margin of the larger lobes. 



Luzon, Cuming 90. 



Ceylon and southern India. 



(24) N. hirtum (Presl.), non Hooker. Frond deltoid, decompound, 30 

 cm. long; rachises clothed with copious appressed, linear, brown paleae; 

 lower pinnae the largest, deltoid, the lower side the more developed; 

 central pinnae oblong-lanceolate; final segments oblong, entire, 2 mm. broad, 

 moderately firm, glabrous; veinlets few, erecto-patent; sori medial. 



"Philippines," Haenke. 



(25) N. dissectum (Forst.) Desv. Stipes tufted, 30 cm. or more 

 high, rather slentler, glossy, clothed toward the base with linear, dark 

 brown scales; frond 30 to 150 era. high, 30 to 100 cm. broad, deltoid; 

 lower pinnae varying from siraply pinnatifid, with broad obtuse lobes, 

 to 30 cm. long, with similar pinnatifid pinnules, the center usually uncut 

 for a breadth of 1 cm., and the uncut obtuse or acute ultimate divisions 

 equally broad, papyraceo-herbaccous, bright green, nearly glabrous; sori 

 copious, generally submarginal ; indusium flat, 1 mm. or more broad. 



Luzon, Cuming 30, 249. 



Madagascar to Polynesia. 



(2G) N. intermedium (Bl.) Baker. Stipe 30 to GO cm. higli, stout, 

 erect, densely clothed at the base with long, bright brown, silky fibrils; 

 frond 60 to 100 cm. high, 30 to 50 cm. broad, subdeltoid; lower pinnip 

 lanceolate, often 30 cm. long, 10 cm. broad; pinnules close, lanceolate, 

 with distinct oblong-lanceolate segments with ligulate, subentire lobes 

 about 2 mm. broad, herl)aceous, firm, glabrous or slightly scaly on the 

 midribs; sori small, copious, nearer tiie veins tlian liie margi!i : indusium 

 thin, fugacious. 



Benguet and Rizal, Loiter. 



Ceylon to .Japan. 



(27) N. asperulum (J. Sm.). Stipe firm, terete, brownish, pubescent; 

 frond 40 to GO cm. high, .30 cm. or more broad; lower pinna* 15 to 25 cm. 

 long, 5 to S cm. broad : ]iinnules lanceolate, 1 cm. l)road, oblicjue, cut 

 down tn the rachis l)el(iw into ol)li(|Uc, ol)I()ng, pinnatifid .segments, siib- 



