i42 19. POLYSTICHTJM. 



the centre. Fronds elongate, 200 cm. or more long, ± 40 cm. broad, 

 shortly acuminate, the point acute. Pinnae linear-lanceolate, narrowly 

 long-acuminate. Pinnulae trapezoidal-oblong, obtuse, slightly auricled at 

 the base on the upper side, inciso-dentate or lobed, the anterior basal 

 ones somewhat larger, deeply incised, the teeth or lobes broad, hardly 

 aristate. Rachises densely scaly. Sori subcostal. 

 Java. 



{ih) P. ftLeysseriaiisiai. ««#., in Fed., Rep., X, 331. 



Stipes stramineous-brown, densely scaly, as are the rachises; scales 

 ferrugineous, membranaceous, flaccid, lanceolate lacerate-ciliate in the 

 lower part, sparingly fimbriate or toothed towards the hair-pointed apex, 

 often very harrow or hair-like. Fronds deltoid-ovate, 3-pinnatifid, or 

 nearly 3-pinnate at the base, + 50 cm. long, 25 cm. broad, shortly 

 acuminate. Pinnae + 20 on a side, the lower subopposite, spreading, 

 the higher suberect, alternate, the largest linear-lanceolate, + 18 cm. 

 long, 4 cm. broad, acuminate, pinnatifld in the upper part, pinnate 

 towards the base, somewhat produced on the upper side. Pinnulae 

 short-stalked, suberect,. trapezoid-oblong, the lowest anterior the largest, 

 + 4 cm. long and l'/^ cm. broad, pinnatifld towards the serrate apex, 

 deeply pinnatifld or subpinnate at the base, the base decurrent, auricled 

 on the upper side, the petiole winged. Lobes obtuse, crenulate or 

 subentire. Texture subcoriaceous ; surfaces naked; upper surface oUve- 

 green, lower paler; colour brownish when dry; costae and costulae 

 densely scaly beneath; veins simple, forked or pinnate. Sori subcostular; 

 indusium unknown (deciduous?). 



New Gtiinea. 



(4c) See under No. 5a. 



(4d) P, boltftEiicuiu. Ust., in Fed., Rep., XII, 170; — var. ovahs, 

 Rst., 1. c. 171. 



Stipes erect, 15 cm. or more long, densely scaly like the rachises 

 and costae, the scales ferrugineous, pai-tly narrowly linear from a dilated 

 base, flbrillose, partly lanceolate, long-flbrilloso-ciUate. Fronds elongate- 

 oblong, ± 50 cm. long by 22 cm. broad, acuminate, 2-pinnate. Pinnae 

 numerous, approximate, short-stalked, erecto-patent, linear-lanceolate, 

 acuminate; central pinnae largest, ± 8 cm. long by 2 cm. broad; lower 



