132 



IS. OLEu^lVOK,.^, Cavunilles. 



(3) O. coliilirina, Copei. 



Also in Neio Guinea, Celebes. 



(3a) O. oblanceolata, Copeh, in Philipp. Journ., VIP, 64. 



Stipes short, articulated at tlie apez. Fronds oblanceolate, + 18 

 cm. long and S'/i cm. broad, abruptly and finely caudate at the apex, 

 narrowed gradually towards the truncate base. Texture coriaceous; 

 surfaces naked. Sori close to the costa. 



Borneo. 



(4a) O. eorlacesa, Copel., Journ. Str. Br. R. A. Soc, LXIII, 72. 



Stipes to 1 '4 cm. or a little more long, articulated near the base, 

 densely and minutely squamulose. Fronds linear-lanceolate, 20 — 25 cm. 

 long, I'l^ cm. or more broad, very narrowly caudate. Texture coriaceous; 

 colour reddish; upper surface glabrescent, lower minutely white-hairy; 

 costa squamulose beneath, the scales linear, castaneous; veins prominent. 

 Sori nearer the margin than the costa. 



Borneo. 



iba) O. genlculata, v.A.v.M.., in Bull. Btz., 1914, XVI, 23; 

 1915, XX, tab. IV. 



Rhizome wide-creeping, woody, remotely branched, scaly; branches 

 opposite or nearly so, short, or elongated and similarly branched again, 

 regularly flexuose, with the internodations arched, the arches open above, 

 the nodes knee-shaped; scales adpressed, long-acuminate-lanceolate, when 

 young pale-brown, ciliate, the ciliae cobwebby, when adult dark-brown 

 or glaucous-brown, subentire. Stipes '/^ — 2 cm. long, articulate at the 

 base, placed in pairs on the apices of the rhizome-branches and the 

 knee-tips. Fronds hnear-lanceolate, + 20 — 50 cm. long,- 2 — V,^ cm. broad 

 at te middle, entire, narrowed gradually to the acuminate apex and the 

 subcuneate, rotundate, rotundate-truncate or rotundate-cordate base. Texture 

 papyraceo-coriaceous ; surfaces deciduously pilose, glabrescent ; costa beneath 

 deciduously hairy and sparingly scaly, glabrescent. Sori in an irregular 

 line on each side, near the costa; indusium partly transversely oblong 

 partly reniform, ciliolate when young. 



Java. 



