146 21. PLEOCNEMIA. 



(5^ P, giganlea. Pf.; Tedaria gigantea, Copel, in Philipp. 

 Joufn., VIIFj 141. 



6) P. ineinbranifolia, Bedd. 



Veins commonly quite free in tlie forms with the most contracted 

 fertile fronds, forming loops near the costae in the barren. 



(6fl) P. fikrillitera, k. A. i. n., in Bull., Btz., 1914, XVI, 28; 

 Aspidium fibriUiferum, v. A. r. R., MS. in Herb. Bog. 



Rhizome densely scaly, the scales linear-subulate, fuscous, sparingly 

 piloso-denticulate. Stipes to 25 cm. or more long, deciduously fibrillose 

 like the rachis, deciduously scaly at the base. Fronds elongate-ovate, to 

 40—50 cm. or more long, + ' , as broad, acuminate, pinnate, pinnatifid 

 at the apex. Pinnae opposite or nearly so, ± 6 — 8 on a side, falcate, 

 arcuate-ascending, the higher lobed, the lower deeply pinnatifid, + 4 — 4'/2 

 cm. broad at the truncate base, the lowest stalked, broader, with at 

 least the lowest posterior segment free, elongate, falcate, deeply 

 lobed. Lobes close or nearly so, obhque, oblong or linear-oblong, 

 the smallest blunt, entire to serrate, the largest acute or sub- 

 acute, lobed, often separated by a small tooth in the sinus. Texture 

 herbaceous; surfaces more or less sparingly fibrillose on the costae, 

 costulae and veins; veins forming 1 — 2 rows of areolae on each side ot 

 the costae and costulae, without free veinlets, the higher and those near 

 the margins free. Sori in 1 row, medial between the costulae and 

 margin, compital, or partly terminal and medial on free veins; indusium 

 minute, deciduous. 



Sumatra. 



(7) P. Triiiieni. Bedd,; Aspidium Trimeni, Diels^ in Engl. & 

 Prantl, Nat. Pfl.fam., I^ 185; C. Chr., Ind. Fil., Suppl. 

 Malaya; Ceylon, South, India. 



(la) P. inalaycnsis, v. A. v. R.,- ? P. Trimeni, Bedd.; Tedaria 

 malayensis, Copel., in Philipp. Journ., 11'^, 416; Aspidium malayense, 

 Christ, in Philipp. .Journ., 11^, 187; C. Chr., Ind. Fil., Suppl. 



Stipes brown, more or less densely scaly, the basal scales long, 

 lanceolate-subulate, black-brown, rigid, the others similar to those of the 

 main rachis, black, setiform; main rachis bi'own or yellow. Pinnulae 



