Van AlDEKWKKELT van RosenburgH: Mu/ayan Feras 12. 203 



liiieares, usqiie ad 15 — 17'/2 cm. loiigae, basi truncata 1 ' ^ — 1^/4 cm. latae, 

 margine '/a — '/2 costam versus iiicisae, apice sensim acumiiiatae et ser- 

 rulatae; pinnae normales inferiores basi paiillo angustatae; costa supra 

 promineiis, sulcata, glabra, subtus prominens, ad bases costularum inferiorum 

 mediaiiarumque glandulis parvis, coiiicis munita. Lobi iiumerosi, coiitigui, 

 obliqui. subobloiigi, subcucullati, 3 — 4 mm. lati iiitegerrimi, obtusi (mar- 

 ginibus valde recurvatis specie acuti); venae usque ad 8 — 10 utrinque, 

 pro portioiie crassae, supra vaide distinctae, 4 - 5 inferiores anastomosantes. 

 Sori usque ad 8 utrinque, contigui, dispositi in formam litterae \/, i. e. 

 superiores saepe subcostulares, ceteri sensim divergentes, infimi turmarum 

 contiguarum confluentes; indusium mox in fragmentas rumpens, in juventute 

 probabiliter pilis setiformibus, rubris ciliatum ; sporae dense, minute echinatae. 

 — Rhizoma non vidi, probabiliter brève. 



A very remarkable species resembling at first sight D. a/a/Z/a/fl CHRIST. 



Sumatra: M t. Koerintji, in forest, ait. 2400 m. (H. A. B. BuNNE- 

 MEIJER No. 10454, 10 May 1Q20). 



Dryopteris perrigida V A. V. R , Bull. Btz. XVI (1914), 21 .- Phegopteris 

 perrigida V. A. v. R., I.c; Mal. Ferns & AU. Supplem. 1, 317. 

 Neplirodium. — Indusium présent, very small, rudimentary. 



^ Dryopteris urophylla (WALL.) C. CHR , Ind. Fil. 299; V.A.V.R. Mal. 



Ferns 216; Supplem. 1, 177, 503. 



Var. peraspera: Pinnae ubique subdense verruculosae, basi truncatae, 

 margine subintegerrimae vel serrulato-crenatae, venis secundariis minus 

 copiosis; sori indusio setuloso. 



New Guinea near Pionier Bivak, in forest, ait. 10 m. (H.J.Lam 

 Nos. 666, 677, 17-20 July 1920). 



Dryopteris tandikatensis V.A.V.R, Bull. Btz. Xi (1913), 11; Mal. 

 Ferns & Ail. Supplem I, 178, 503.— D. urophylla C Chr, var. Teysrnannii 

 V.A.V.R., Bull. Btz. XXVlil (1918), 24. 



Elaphoglossum dolichaulon V. A. V. R. 



Aconiopteris. — Rhizoma breviter repens; squamae ovatae, in juventute 

 pallide brunneae vel flavido-brunneae, acutae vel acuminatae, integerrimae 

 vel subintegerrimae, postremo obscurae, obtusae, deciduae. Stipites pro ra- 

 tione longi, 4 — 6 vel plerumque 7—11 cm. longi, glabri vel (cum costa 

 subtus) parce ovato-squamulosi. Frondes coriaceae, supra glabrae, subtus 

 squamulis minutissimis, rotundatis, subfimbriatis, deciduis, sparsis munitae, 

 oblongo- vel lanceolato-ovatae, 4'/2 — 6'/2 cm. longae, l'/2 — 2'/2 cm. 

 latae, apice sensim acuminatae, margine subcartilagineae, in sicco leviter 

 revolutae, basi in frondibus pro ratione brevibus latibusque abrupte cuneato- 

 acuminatae, in frondibus pro ratione longis angustisque sensim acuminatae, 



