154 22-. DEYOPTEBia. § 1. LASTEEA. 



oblong, obtusf^ lobes; lowest pinnae somewhat shorter, deflexed, with the 

 lowest segmets free. Texture herbaceous ; veins simple, sparingly setose 

 above, minutely piloso-glandular beneath. Sori medial on the lowest 

 anterior veins, small; indusium small, ciUated. — See Copeland's 

 information, 1. c. 

 Borneo. 



(21a) l>. logaveusis, «**., in Fed., Rep., X, 332. 



Rhizome short-creeping. Stipes to 80 cm. long, rufous, clothed 

 towards the base with crowded, lanceolate, acuminate, crisped scales. 

 Fronds oblong, + 1 m. long, 60 cm. broad, 2-pinnatifid. Pinnae numerous, 

 suberecto-patent, subapprosimate, the inframedial ones the largest, 

 elongate-lanceolate, to 45 long, 3 /^ em. broad, narrowed gradually towards 

 the acuminate apex, deeply pinnatifld, with the sinuses + half as broad 

 as the lobes; lower and central pinnae short-stalked, lower hardly 

 abbreviated, narrowed at the base, higher sessile; terminal pinna deeply 

 pinnatifld at the base, serrate towards the apex. Lobes numerous, sub- 

 erecto-patent, ' linear-oblong, subfalcate, to 1 cm. long, 4 mm. broad, 

 entire, the sinuses acute. Texture membranaceous; upper surface naked, 

 lower glandular with yellow, cylindrical, scattered glands; rachis, costae 

 and costulae glandular beneath; veins + 15 pair, simple, the lowest 

 more or less meeting in the sinuses. Sori medial; indusium small, 

 lacerate, glandular. 



■New Guinea. 



(21&) D. divergent, Rst., in Fed., Rep., XIII, 218. 



Stipes pale-brown, clothed like the rachis and costae with short, 

 whitish hairs and lanceolate, brown, fimbriate, scattered scales. Fronds 

 subdimorphous. Barren fronds ± 70 cm. long by 40 cm. broad, 2-pinnati- 

 fld, acuminate. Pinnae + 16 on each side below the pinnatifld apex, 

 stalked, the higher sessile; lower pinnae largest, lanceolate-oblong, ± 22 

 cm. long by 5 cm. broad, the base narrowly rounded, the margin deeply 

 incised, the apex long-acuminate, subentire. Lobes contiguous, + 17 mm. 

 long by 8 mm. broad, subfalcate, obtuse, the edge sparingly white-ciliate, 

 subentire, reflexed. Texture chartaceo-herbaceous ; surfaces naked; costae 

 and costulae above strigose, beneath very minutely hairy ; veins prominent, 

 to + 15 on each side; simple, the lowest meeting very near the sinus. 

 Fertile fronds with the pinnae half as long and broad, the lobes more 



