FERNS OF WESTERN SUMATRA. 213 



obtuse lobes, the lower pinn® slightly dwarfed. Veins 4-G-jugate, 

 the two lower joining at their tips. Sori small, medial. Involucre 

 persistent. Mt. Singalan, 1700 metres. Just like the well-known 

 West Indian Pol y podium (Oomopteru) reptam in size, habit, and 

 veining. 



412. N. Hamkeanuw , Presl. With the last. 



455 (176*). Nephrodium eminens, Baker, n. sp. Caudex not 

 seen. Stems stout, naked, 2 ft. long below the glands, 2 ft. more 

 with glands and pinnae dwarfed down to mere auricles. Proper 

 lamina oblong, bipinuatifid, 2|-3 ft. long by half as broad, sub- 

 coriaceous in texture, green on both surfaces, glabrous, except on 

 the finely pilose ribs. Pinnae, except the dwarfed upper and lower 

 ones, distinctly stipitate, the fully-developed central ones lan- 



£-1 



* 



dwarfed lower pinnae deltoid, and lowest represented only by 

 glands 3-4 in. apart. Veins distinct, 10-12-jugate, several joining 

 at their tips. Sori small, medial, not quite orbicular. Involucre 

 minute, fugacious. Mt. Singalan, 1700 metres. A fine and well- 

 marked plant, 6-7 feet high, coming nearest V. brachyodo* of 



species already known. 



573. A 7 , melanocaulon, Baker. Ayer Mancior. 



575 (202*). Nephrodium (Sagenia) nebulosum. linker, n. sp. 

 Stipes tufted, castaneous, 1* ft. long, with only a few small brown 

 lanceolate scales at the base. Lamina deltoid, 12-15 in. long, 

 rather less broad, green and glabrous on both sides, moderately 

 firm in texture, with a deeplv pinnatifid large end-pinna, with 

 short obtuse upper lobes and large lanceolate lower ones, and 2-4 

 lanceolate free pinme, the lowest unequal sided and forked at the 

 posterior base. Main veins of the pinna? distinct to the edge, 

 slender, erecto-patent, with very copious areolae between them with 

 free included veinlets. Sori very abundant, minute. Involucre 

 very minute and very fugacious. Rachis dark brown, like the 

 stipe ; ribs of the lamina pale brown. Ayer Mancior, 360 metres. 

 Comes between A', ternntum and N. mehinocaulon. 



N. pachyphyllum, Baker. Mt. Singalan, 1700 metres. 



572. N. ylandnlomm, J. Sin., var. a****, Baker. Aspidium 

 tupenm, Mett. Ayer Mancior, 360 metres. 



422. Oleandra neriifonnis, Cav. 



595. Pohjpodium difformt, Blume. Ayer Mancior. 



P. urophyllum, Wall. Ayer Mancior. 



440 (99*). Polvvoditm congmtr, Hook. &™™*» c ' m '-'^ 

 Blume Fil. Jav., tab. 46, fig. 3". Mt. Singalan, 1700 metivs This 

 is not taken up in < Synopsis Filicum,' but I now behove it to be a 

 distinct species, differing from V. hirtum by its subglabrous frond, 

 lone 



hhizome short-creeping, epigwoua, one-tifi 



clothed with densely imbricated large pale .— — y-" „.. 

 Canons scales. Stipe almost obsolete. Lamina hgulate, entire, 

 \ ft. long, 4-5 lines broad at the middle, narrowed graoually to the 



