-266 53. BIPLAZIUM. § 1. EUDIPLAZJUM. 



A plant received from Luzon, which may be a form of this species, 

 has the pinnulae cut to ^'^-way down to the costa, with the lobes varying 

 from rounded to subacute, and the lowest posterior lobe often abbreviated. 



Throughout the Philippines. 



(376*) D. sara-wakense, C. Citr., Ind. Fil., Suppl.; Athyrium 

 sarawakense, Copel, in Philipp. Journ., VIF, 62. 



Stipes sparingly spinulose, naked. Fronds probably ± 75 cm. long, 

 + 45 cm. broad, the rachis bright-castaneous, grooved, naiied except in 

 the groove and axils. Pinnae short-stalked, + 25 cm. long, caudate and 

 sharply serrate at the apex, pinnate in the lower part. Pinnulae few, 

 sessile, to 5 cm. long, 1 cm. broad, acute, serrate, truncate and subhastate 

 at the base. Texture subcoriaceous ; surfaces naked; veins forked, oblique. 

 Sori linear, close to the central ribs; indusium bright-brown. 



Borneo. 



(376*a) ©, ftarlplnnatuMt, «. A. «. M.; Athyrium paripinnatum, 

 Gopel., in Philipp. Journ., X^, 147. 



Stipes about 45 cm. long, muricate. Fronds 1 m. more or less long, 

 pinnate below the short, pinnatifid apex. Pinnae opposite; lowest pinnae 

 stalked, 25 cm. long, broadest at the middle, pinnate, with the pinnulae 

 subsessile, to 6 cm. long, acuminate, inciso-serrate, 15 mm. broad at the 

 subhastate base ; central pinnae larger ; following pinnae with the pinnulae 

 adnate or confluent, elliptical, 2 — 3 cm. long, rounded at the apex, 

 serrulate; higher pinnae deeply pinnatifid; highest pinnae 15 mm. long 

 by 4 mm. broad, hardly serrulate. Texture subcoriaceous ; surfaces naked ; 

 under surface pale; rachises castaneous, naked. Sori narrow, simple, 

 whether or not reaching the margin. 



Borneo. 



(88ffl) O. inelanolepiiS, ». A. ». n., in Bull. Btz., 1913, XI, 8. 



Stipes + 50 — 60 cm. long, greyish or dirty-brown, bisulcate above, 

 scaly like the rachises and deciduously subfurfuraceo-tomentose ; scales 

 subulate, spreading, crisped, deciduously ciUolate-denticulate, black or 

 black-brown, partly deciduous partly persistent, the lower the largest and 

 more crowded. Fronds probably large and triangular-lanceolate, acuminate. 

 Pinnae ascending or spreading ; higher pinnae sessile or subsessile, subulate- 

 lanceolate, to + 4 cm. broad, acuminate, truncate at the base, deeply 



