268 53. DIPLAZIUM. § 1. EUDIPLAZIUM. 



broad, the apex acute, the base cuneate, slightly rounded, subauriculate 

 on both sides, the edge inciso-crenate ; laciniae short, acute, incurved. 

 Rachis hairy. Sori subconfluent, 2-fld; indusium thin. 

 Malaya; Br. India. 



(39c) D. alro|tur|BaireuiM, Rst., in Fed., Rep., XII, 528. 

 Bhizome short-creeping, the scales ochraceous, lanceolate, short-acuminate, 

 black-ciUate. Stipes approximate, ± 25 cm. long, densely tomentose 

 with black-purple, fascicled, short setae, as are the rachises, the tomentura, 

 intermixed with a few scattered, deciduous scales. Fronds ovate or 

 oblong, to + 30 cm. long, 25 cm. broad below the middle, 2-pinnate. 

 Pinnae to ± 10 on a side, ascending, subcontiguous, short-stalked, sUghtly 

 upcurved, the largest to 15 cm. or more long by 3 cm. broad, acuminate, 

 pinnae pinnatifid below the serrate or subentire apex, pinnate in the 

 lower part; lowest pinnae with the lower pinnulae short-stalked, linear, 

 ± 17 mm. long by 9 mm. broad, obtuse, crenate-serrate, truncate and 

 sub-2-auriculate at the base, following to 2'/2 cm. long, sessile with a 

 contracted base, higher adnate, free or connected. Texture papyraceous; 

 surfaces naked; costae setuloso-tomentose beneath; veins 8 — 9 on a side, 

 simple or forked, ascending. Sori long, reaching nearly the costa and 

 margin, the lower often double; indusium ciliate, fasciculate-setulose. 



NeiD Guinea. 



(40) D. deltoideuan, J»r.,- Christ, in Phihpp., Journ., IIF, 273; 

 Atliyrium deltoideum, Milde^ Copel., in Philipp. Journ., IIP, 296. 



Specimens of this species found in Luzon (by Ramos) and Mindoro 

 (by Warburg) have the rhizome oblique, short-creeping, the stipes longer, 

 to 40 cm. long, solitary or subfasciculate, the fronds smaher, with the 

 upper part suddenly narrowed and pinnatifid, the lowest pinnae short- 

 stalked, ± 4 cm. broad, deeply pinnatifid, narrowed and cut down to the 

 costa at the base, the secondary segments lanceolate-ligulate, 1 — 2 cm. 

 long, obtuse, subentire or crenate, with 7 — 8 forked veins on each side 

 of the costula, the sori often double, occupying the anterior veinlets 

 (fork branches), reaching from the costula to the margin, 2 — 3 mm. 

 long. 



(40a) See No. 45a. 



