406 53. DiPLAnuM. § 1. eudiplazidm. 



Rhizome short, stout, clothed A\ilh brown, lanceolate scales. Stipes tuft 

 '"' 15—30 c.M. long, erect, firm, stramineous, scaly at the base. Fronds 



§ 20 — 100 c.M. long, with a large terminal and 1 — 8 pairs of + stalk( 



^ lateral pinnae. Pinnae 10 — 20 c.M. long, + 2 — 5 c.M. broad, narrowed 



g- both ends, the point acuminate, the edge serrate or nearly entire; higl 



pinnae sessile. Texture coriaceous but rather thin; surfaces naked; veins 

 E§ 3X forked. Sori narrow, irregular, the longest reaching nearly from 1 



midrib to the edge. 



War. alternifoliuin : Stipes green, passing gradually into bro^ 

 at the base. Pinnae ovate, broad, T^j — 10 c.M. long, the base rounded 

 cordate, the edge entire, obscurely sinuate or subcrenato-serrate towards 1 

 apex. Texture subcarnoso-coriaceous. 



Trap. Ada; — var. alternifolium : Java. 



(16) D. xiphophyllum, C. €%**., Ind. Fil. ; Asplenium xiphoph 

 lum, Bk., Journ. of Bot., XVII, 40. 



Rhizome suberect. Stipes close, to 30 c.M. long, the base densely clot! 

 with large, brown, linear scales. Fronds oblong:deltoid or deltoid, simply p 

 nate, 30 — 45 c.M. long, with a terminal pinna similar to the lateral ones. Pini 

 13 — 25, subsessile, lanceolate, 20 — 25 c.M. long, 2 — 4 c.M. broad, toothed a 

 much acuminate at the point, cuneate at the base. Texture subcoriaceoi 

 surfaces naked; veins in pinnate gi'oups of 3 — 4. Sori reaching from 1 

 midrib to the edge; indusium narrow, naked, persistent. 



Borneo. 



(17) ». palananense, Copei., Polypod. Philipp., 72. 



Stipes firm, 30—40 c.M. long, the base black and covered with bis 

 scales, the higher part stramineous. Fronds 30 — 60 c.M. long, pinnate. Pini 

 alternate, distant, ± 6-jugate, the largest + 30 c.M. long, 2V2— 3c.M. bro 

 acute, obscurely serrate, the higher ones sessile, the lower narrowed at 1 

 base into a short stipe, both sides nearly equal. Texture coriaceous; rac 

 naked; surfaces naked; veins 2— 3X forked. Sori linear, distant from 1 

 margin. 



Philippines. 



(18) O. larutense, Bedd., Handb. Ind. Ferns, Suppl., 38. 

 Rhizome erect. Stipes + 30 c.M. long, firm, erect, naked. Fronds narrc 



linear-lanceolate, + 50 c.M. long, 4—5 c.M. broad, broadest at the base,g 



