506 APPENDIX. 29. LINDSAYA. 



rounded and emarginate at the apes. Texture herbaceous; surfaces 

 naked; colour pale-green; a single central vein in each lobe. Sori solitary 

 and subfcerminal on the lobes; indusium ovate. 

 Neio Guinea. 



% 2. EULINDSAY/i. 



(19a) Vi oblanceolala, ». a. v. jr., in Bull. Btz., 1916, XXIII, 15. 



Rhizome wide-creeping or scandent, the scales brown, small, lanceolate, 

 deciduous. Stipes remote, ± I'/j — S'/^ cm. long, semiterete, brown, 

 naked, or sparingly scaly at the base. Fronds oblanceolate, simply pinnate, 

 + 10 — 20 cm. long, + l'/^ — S'/j cm. broad between the middle and the 

 bluntly rounded apex, narrowed gradually towards the base. Leaflets 

 12 — 20 on a side below the terminal one; terminal leaflet broadly flabel- 

 late, not rarely as large as the largest lateral leaves, often broader than 

 long; lateral leaflets semilunulate, horizontal, subsessile; largest lateral 

 leaflets close, + 1 ','4 cm. long by 6 mm. broad, the upper and outer edge 

 rounded, broadly crenate at least in the upper part, the lower edge de- 

 curved, the inner edge parallel to the rachis; lower lateral leaflets grad- 

 ually reduced and rather remote, more decurved and more distinctly 

 crenate. Texture thin ; rachis naked, stramineous, quadrangular ; surfaces 

 naked. Sori along the upper and outer edge, interrupted. 



Sumatra. 



(29) Ij, lancea, Bead. 



Variable, with the rhizome varying from short-creeping to wide- 

 scandent, the stipes stramineous to black-purple-brown, the fronds to 50 

 cm. long, the branches abruptly shortly acuminate to subcaudate, the 

 leaflets l'/4 — 3'/i cm. long, pale to dark when dry. 



Forma typica: Fronds simply pinnate or more commonly 2-pinnate 

 with ± 1 — 4 branches on a side, the leaflets entire on the upper and 

 outer edge. 



War. caiiclata: A large form with more branches the usually, 

 and the leaflets crenulate on the upper and outer edge. 



