- 38 — 



Forma diplosora : Lower sori placed in oblique, confluent pairs, so as 

 to form oblong sori oblique to the costa. — Sumatra {Bengkoelen, Lebong 

 Simpang, C. J. Brooks No. 360/S). 



Pleopeltis rupestris (Bl.), Moore, Ind., LXXVIU; v.A.v.R., Mal. 

 Ferns & All., Suppl. 1, 387: Polypodium rupestre, Bl.,Emm.?\.]d^j.,\\,\2A; 

 P. triquetrum, Bl, var., C. Chr., Ind. Fil., 561, 571. 



Var, subalbula, v.A.v.R., I.e. — Also in Sumatra (Mt. Talamau, 

 H.A.B. Bünnemeijer No. 872). 



Pleopeltis musifolia (Bl.), Moore, Ind., LXXlll; v. A.v.R., Mal. Ferns 

 & All., Suppl. 1, 391; Polypodium musifolium Bl., Enum. Pi. Jav., Il, 134. 

 Var. Schumanniana. — Also in Ceram (Kaloa, L. Rutten No. 139). 



Pleopeltis pseudo-laciniata, v.A.v.R. 



Eupleopeltis, Phymatopsis. — Pl. subtaeniatae v.A.v.R. affinis. Rhizoma 

 squamis lineari-subulatis, obscure rufis vel castaneis, irregulariter denticulato- 

 ciliolatis vestitum; pinnae minus coriaceae, remotae, omnes adnatae, basi 

 conspicue dilatatae sed pinnae inferiores basi postica cuneato- vel rotundato- 

 angustatae; pinnae superiores ascendentes, medianae patentes, inferiores 

 horizontales vel i deflexae. 



Fronds commonly broader than long, suggesting PI. laciniata Bedd., 

 which, however, is deeply pinnatifid into approximate segments. 



Sumatra (H. A. B. Bünnemeijer; Mt. Talamau No. 889, Mt. Merapi 

 No. 1275). 



Pleopeltis lima, v.A.v.R. 



Selliguea. — P\. heterocarpae v.A.v.R. affinis sed frondibus fertilibus 

 elongatis angustatisque et soris perprofunde immersis, supra costas altas 

 angulosas formantibus. 



The ridges are rather narrowly trapezioid in transversal section (/~\) and 

 give the fertile fronds the appearance of a very rough file when seen from 

 above. — PI. heterocarpa v.A.v.R. has the sori not deeply immersed, the 

 ridges subsemiterete or slightly triangular in transversal section ^ ). 



Sumatra {Bengkoelen, Lebong Simpang, C. J. Brooks No. 313/S). 



Polypodium caespitosum (Bl.), Mett., Ann. Mus. Bot. L. B., 11,219; 

 v.A.v.R., Mal. Ferns, 582; Grammitis caespitosa, BL, Flor. Jav., II, 106, 

 tab. XLVl, fig. 1. 



Also in Sumatra {Mt. Talamau, H.A.B. Bünnemeijer No. 905te). 



Polypodium lasiosorum (Bl.), Hk., Spec. Fil., IV, 166; v.A.v.R.. 

 Mal. Ferns, 580; Grammitis pusilla, Bl., var. lasiosoro, Bl., Flor. Jav., 11, 

 110, tab. XLVI, fig. 6. 



