- 168 - 



Rhizome scales eloiigate-lanceolate from an ovate, peltate base, flat, 

 the apex acuminate, the inarpjin miiuitely eroso-denticulate. Fertile fronds 

 when dry flat, with the inargin eiitire (;n Buiinemeijer' s No. 830) or 

 broadly and shallowly truncate-creiiate (in Bunnemeijer's No. 4239a), not 

 répand. Sori contiguous, medial, at length confluent. 



Sumatra. , 



Pleopeltis rupestris (Bl.), M o o r e, Ind., LXXVlil; v.A.v.R., 

 Mal. Ferns & AH., Supplem. 1, 378; Polypodium riipestre, Bi, Enum. PI. 

 lav.. II, 124; v.A.v.R., Mal. Ferns, 650; P. triquetriim, Bl., var.,C.Q\\x., 

 "ind. Fil., 571. 



V a r. s u b a 1 b u 1 a. — Also in Bali Islond (Mt. Batoekaoe, Lient. 

 R. Maier's Explor. Exped., Coll. Sarip No. 403), 



Pleopeltis Treubii (Christ), v. A. v. R, , Bull. Dép. Agr. 1. N., 

 1909, XXVII, 6; Polypodium Treubii, Christ, in Ann. Btz., XX, 121 ; C. Chr., 

 Ind. Fil., 570. 



^ Var. Brooksii: Omnes dimensiones maiores. — Stipites usque ad 15 

 cm. longi; frondes longe deeurrentes; frondes stériles + 10 — 15 cm. longae 

 et 272—3 cm, latae; frondes fertiles usque ad 25 cm. longae; sori subob- 

 longi, fere rotundi. — Sumatra {Bengkoeleu, Seblat River, C. J. Brooks Ko. 

 469/S). 



Polypodium c e r a m i c u m, v. A. v. R. 



Eupolypodium, Integrifolia — Rhizoma repens; squamae auguste lanceo- 

 latae, integerrimae, pallide brunneae. Stipites seriati, '/a— 1 cm. longi, 

 castanei, glabri, teretes. Frondes coriaceae, glabrae, lineari-oblanceolatae, 

 20—30 cm. longae et 6—9 mm. latae. apice obtusiusculae, margine integ- 

 errimae et auguste recurvatae, parte inferiore auguste lineari-cuneatae, costa 

 supra sulcata, subtus prominens; venae absconditae, plus minusve patentes, 

 furcatae vel subpinnatae; venulae marginem frondis fere atingentes. Sori 

 relative magni, utrinque 1 -seriati, subcostales, ad basin venularum antica- 

 rum positi, vix immersi, suboblongi, demum contigui et specie costales; 

 capsulae castaneo-setosae. 



Lime stone, in forest; ait. 1900—2500 m. 



Ceram {Mt. Moerkele, L. Rutten's Explor. Commiss., Coll. Kornassi 

 No. 1505, 1 Juy 1918) 



Polypodium M a r t h a e, v.A.v.R., Bull. Btz., 1914, XVI 33; 

 Mal. Ferns & AU., Supplem. 1, 357. 



C. J. Brook's No. 476/S from Sumatra {Bengkoeleu, Lebong Taudai) is 

 a young fructiferous spécimen of this, with the fronds I2V2 — 25 cm. long 

 by l'/4— 2V2 cm. broad. — Surfaces v^'lien young provided with more or less 

 copions deciduous, short and long, single, gemmate or ternate redbrown hairs. 



