404 S3. DIFLAZIDH. § 1. EDDIPLAZIliH. 



(10) D. aequibasale, C. Chr., Ind. Fil.; Asplenium aequibasale, 

 Bk., Journ. of Linn. Soc, Bot., XXII, 225. 



Rhizome erect. Stipes tufted, 7 — 10 c.M. long, with few, black, lan- 

 ceolate, spreading scales near the base. Fronds oblong, 15 — 20 c.M. long, 

 10 — 13 C.M. broad, simply pinnate. Pinnae alternate, 9—11, adnate, distant, 

 lanceolate, acuminate, crenulate, the base narrowed and equal on both sides, 

 the middle 1 — 1 '/j c.M. broad. Texture rather thin ; surfaces naked ; veins 

 conspicuous, erecto-patent, simple or forked. Sori medial on the veins, pai-al- 

 lel; indusium narrow, naked, persistent. 



Borneo. 



(lla) D. barisanicnm, C. Chr., Ind. Fil.; Asplenium barisanicum, 

 Bk., Ann. of Bot., VIU, 126. 



Stipes + 15 c.M. long, slender, green, naked, clothed near the base with 

 linear, brown scales. Fronds deltoid-oblong, 15 — 20 c.M. long, 12 — 15 c.M. 

 broad, simply pinnate. Terminal pinna pinnatifid; lateral pinnae paucijngate, 

 lanceolate-oblong, 3 — 4 c.M. broad, deeply crenate, short-stalked, the lower 

 ones not or hardly shorter. Both surfaces naked; rachis pubescent above; 

 main veins pinnate; veins erecto-patent, simple. Sori occupying the lower 

 portion of the veins; indusium membranaceous, naked, persistent. 



Sumatra. 



(11&) D. tabacinum, Copel., Philipp. Journ., I, SuppL, 149, 

 tab- VI. 



Rhizome erect, clothed vrith brovm, lanceolate-subulate scales. Stipes 

 30—40 C.M. long, canaliculate, the lower part sparingly scaly, the upper part 

 short-pubescent like the rachis and the stalks of the pinnae. Fronds 30 — 40 

 c.M. long, ovate, pinnate. Pinnae 2 — 4 on each side below the terminal one, 

 simple, lanceolate-oblong, the base cuneate-truncate, the edge serrate towards 

 the falcato-acuminate apex; lowest pinnae largest, + 15 c.M. long, + 5 

 c.M. broad, the terminal one simple or vrith a pair of basal lobes. Texture 

 subcoriaceous ; surfaces naked; veins 3 — 4-furcate. Sori linear, reaching nearly 

 the costae and the margin. 



Mindanao. 



(12) O. confertuiu, C. Cht-^ Ind. Fil.; Asplenium conferlum, Bk., 

 Ann. of Bot., VHI, 123. 



Stipes + 15 c.M. long, scaly at the base, slender, green, the scales 



