53. DIPLAZIUM. § 1. EUDIPLAZIUM. 267 



pinnatifid into spreading, linear-oblong, blunt, entire or crenated lobes; 

 lower pinnae probably largest, petiolulate, lanceolate, ± 35 cm. long by 8 cm. 

 broad, acuminate, pinnate, deeply pinnatifid towards the apex. Pinnulae 

 spreading or horizontal, remote, adnate, the central linear, + 4 — 4 '/a cm. 

 long and T'/j mm. broad, acuminate, toothed or deeply lobed, the lower 

 abbreviated, blunt; ultimate lobes or teeth oblique, to 4 mm. long and 

 2 mm. broad, acute or blunt, entire or serrulate. Texture coriaceous; 

 surfaces naked; secondary rachises narrowly margined; veins forked to 

 sparingly pinnate in the lobes or teeth; veinlets at best 3 on a side. 

 Sori numerous, mostly in 2 rows on each side of the costa, the inner the 

 longest, Knear-oblong, often double, to 2 mm. long, the outer the shorter, 

 often simple; indusium pale-brown, thin, persistent. 

 Su7natra. 



(39) W. vestituiai, !»»•.,• Athyrium vestitum^ Milcle, Copel., in 

 Philipp. Journ., IIF, 295. 



(39a) O. ¥anviiiireni, e. A. v. n., in Bull. Btz., 1914, XVI, 7. 



Stipes sparingly, decidijously scaly. Fronds lanceolate, ± 65 cm. 

 long, pinnate, the apex pinnatifid, caudate-acuminate, the acumen partly 

 lobed and serrate, partly twice serrate partly repand; main rachis flexu- 

 ose, more or less chaffy beneath, as are the costae and costulae. Pinnae 

 petiolate, + 10 on a side; lower pinnae rather deflexed, at best pinnate 

 at the base; central pinnae largest, more or less falcate, to 20 cm. long 

 and 9 cm. broad at the base, acuminate, pinnate in the lower half, 

 pinnatifid in the upper half. Tertiary segments varying from adnate to 

 shortly petiolulate, horizontal or spreading, lanceolate-oblong from a 

 broad base, the lowest the largest, + 4 — 4 '/a cm. long, ± 1 cm. broad, 

 acute, serrate towards the apex, serrate-lobate in the lower part, the 

 base subtruncate, often 1 — 2-auriculate. Texture subcoriaceous ; surfaces 

 naked or the under surface sparingly, minutely, deciduously fibrillose on 

 the veins; veins of the larger segments pinnate, of the smaller forked. 

 Sori copious, often double, occupying the lower half of the veins. 



Celebes. 



(396) H>. luicrophyiBiiBn, Besv., Prod., 281, tab. VII, fig. 1. 

 Whole plant up to + 90 cm. high. Pinnae lanceolate, 10—12 cm. 

 long, pinnate. Pinnulae linear-lanceolate, l'/4 — 1 '/a cm. long, + 7 7i mm- 



