22. DEYOPTEEIS. § 1. LASTREA. 151, 



veins to + 23 on a side, free, simple, Sori costal; indusinm naked, dark 

 rather persistent. — See my information in Bull. Btz., 1912^ VII, 13. 

 NeiD Guinea. 



(86 I>. fulcati|iiHniila. Cojtel., in Philipp. Journ., VF, 7-1. 



Stipes pale-brown, ± 30 cm. long, glabrescent. Fronds 25—30 cm. 

 long, + 20 — 30 cm. broad, pinnate, the main rachis pubescent, provided 

 with more or less tuberculiform glands near the bases of the pinnae, on 

 the under side. Pinnae opposite, ± 7 — r2-jugate, Unear-lanceolate, 8 — 12 

 cm. long, 1 — 1 ',2 cm. broad at the middle, much acuminated, narrowed 

 at the base, cut down nearly to the costa, the terminal one similar to 

 the lateral ones but not rarely broader, the lowest as large as the 

 following or somewhat shorter, the acumen narrow, entire or obtusely 

 repando-crenate. Lobes linear, falcate, the largest ± 8—12 mm. long, 

 hardly acute, rather subobtuse, entire, more or less recurved and ciliated 

 at the edge. Texture coriaceous; upper surface pubescent on the costae 

 only, lower sparingly so on the costae, costulae and veins; veins ± 

 10 — 12 on a side, simple. Sori numerous, nearer the costulae than the 

 margin ; indusium l)rown, hairy, persistent. 



Nero Guinea. 



(9ffl) See No. 17. 



{%) D. horizontalis, r. A. v. n., in Bull. Btz., 1913, XI, 10 ; 

 Athyrium liori20ufale, Est., in Nov. Guin., VIII, Bot., 722. 



Stipe and rachis dirty-brown, densely clothed with whitish, spreading 

 hairs intermixed with a few scattered, deciduous, acute-ovate scales. 

 Fronds lanceolate-oblong, ± 40 em. long and 12 cm. broad, shortly 

 acuminate. Pinnae rather sessile, ± 20 on a side, remote, horizontal or 

 nearly so, linear, acuminate, blunt at the point, deeply pinnatifid, truncate 

 at the base, the central ones the largest, + 6 cm. long, + 1 '/j cm. 

 broad, horizontal, the lower somewhat shorter, deflexed. Lobes linear- 

 oblong, to 7 mm. long and 3 mm. broad, separated by narrow sinuses, 

 blunt, crenate, horizontal or nearly so. Texture rigid; upper surface 

 deciduously pubescent with short, adpressed,. curved hairs; under surface 

 nearly naked; costae hairy on both sides; costulae pinnate in the lobes; 

 veins oblique, ± 6 on a side, simple. Sori medial; indusium persistent, 

 fimbriate-ciliate, naked or sparingly hairy. 



Neiv Guinea, 



