250 45«. PTERIS. § 1. EUPTEBIS. 



reaching nearly the apex. — Barren fronds not seen. — Perhaps a local 

 derivative of Pt. quadriaurita Retz. 

 Java. 



(22d) See No. 1. 



(23a) PI. Itrookisii, CopeL, in Phihpp. Journ., IX^, 231. 



Stipes to ± 60 cm. long, stramineous, deciduously minutely furfur- 

 aceous, provided towards the base with a few horizontal castaneous 

 scales. Fronds ± 40 cm. long, ± 25 cm. broad, pinnate, the rachis very 

 minutely asperulous, stramineous. Pinnae stalked, to 16 cm. long, + 4 

 cm. broad, deeply pinnatifid, the apex caudate, the stalk winged; lowest 

 pinnae forked on the lower side with similarly pinnatifid fork branches. 

 Lobes pectinate, approximate, + 2'/, mm. broad, obtuse, entire Texture 

 herbaceous; surfaces naked; costae setose; veins forked. Sori reaching 

 nearly the apex of the lobes. 



Sumatra. 



(27) ■»*. liiccauis, JBh. 



Also in Sumatra. 



(28) Pt. (leciissata, J. Sm. 



Also in New Guinea. 



(31a) Pt. Keysseri, «*«., in Fed., Rep., XII, 167. 



Fronds 3-partite, the branches to 45 cm. or more long, + 24 cm. 

 broad, 3-pinnatifld. Pinnulae horizontal, contiguous, linear-oblong, acuminate, 

 the acumen serrate. Ultimate segments subhorizontal, approximate, linear, 

 + 1^/4 cm. long by '/2 cm. broad, acute, serrate in the barren region, 

 upper base somewhat contracted, lower base dilated and decurrent ; lower 

 segments nearly free, contracted on both sides at the base. Texture 

 herbaceous ; colour dark-green ; surfaces naked ; veins ± 10 on a side, 

 forked or the lower often twice forked, the higher simple. Sori not 

 reaching base and apex of the segments. 



New Guinea. 



(32) Pt. radieans, Christ; — var. javanica, v. A. v. R., in 



Bull. Btz., 1912, VII, 27. 



