258 53. DIPLAZIUM. § 1. EUDIPLAZIUM. 



narrowed gradually to both ends, the apex caudate-acuminate, entire. 

 Segments oblong, horizontal, straight or subfalcate, subentire, rounded at 

 the apex; central segments largest, + 6 mm. broad; 1 — 4 lower segments 

 free, the lowest semiorbicular, auricle-like, subdeflexed. Texture coriac- 

 eous; costulae and veins beneath sparing^ scaly; veins to + 6 on a 

 side, mostly simple. Sori bright-broMm., when young ochraceous. 

 Celebes. 



(4) D. chlorophyllum. Bedel. 



Omit this name, it should be D. PuUingeri J. Sm. 



(4) W. Pullingeri, ^. Sm., Ferns Br. & For., II, 315; D. chlor- 

 ophyllum, Bedel., Handb. Ind. Ferns, Suppl., 39 ; Asplenium chlorophyllum, 

 Bk., in Journ. of Bot., XXIII, 104; Athyrium chlorophyllum, Copel., in 

 Philipp. Journ., III*^, 279; AsjjI. Pidlingeri. Bk., (oldest name). 



Penang [?); Hongkong, China, Formosa. 



(5c) D. aeroearpBiBBi, Rst., in Fed., Rep., X, 328. 



Stipes 8 cm. or more long, blackish like the rachis, densely clothed 

 with linear-lanceolate, crisped, minutely spinqso-denticulate, dark-brown 

 scales. Fronds lanceolate-ovate, ± 45 cm. long, 12 cm. broad, pinnate, 

 shortly acuminate. Pinnae rather numerous (25 or more on each side), 

 alternate, subapproximate, horizontal, sessile, linear, truncate and auricled 

 on both sides at the base, acute or shortly acuminate, entire and sub- 

 revolute at the edge ; central pinnae largest, + 6 cm. long, 1 '/a cm. 

 broad; lower pinnae deflexed, more or less abruptly abbreviated, 1 — 2 

 lowest ones auricle-like; terminal pinna linear, lobed at the base, serrate 

 towards the apex. Texture herbaceous; colour dark-green; surfaces scaly; 

 rachis densely scaly, as are the costae beneath; veins repeatedly forked 

 or subpinnate. Sori occupying the upper postion of the pinnae, long, 

 reaching both costa and margin; indusium narrow, coriaceous, brown. 



New Guinea. 



(7) O. silvaticum, Stv.; Schk., Krypt. Gew., I, tab. 85 b; D. 

 hidbiferum. Brack., Expl. Exp., XVI, 141, tab. XVIII, fig. 1; D. Brack- 

 enridgei, Bids, in Schum. & Laut., Flor. deut. Sch.geb., 124; B. petiolare, 

 Pr., Epim., 86; Asplenium Brackenridgei, Bk., Hk. Bk., Syn. Fil., 234; 

 Athyrium pinnatum, Copel, in Phihpp. Journ., IIF, 297, p. p.; — var. 



