Van Aluerwerelt van Rosenburgh: MaLayan tcnis 12. 213 



cm. loiigae; rhacliis apiceiii versus auguste alata ; ala ad basiii pimiarum 

 superiorum brevius vel loiigius deiitifoimi-auiiculata. Piiinae flaccidae firmiter 

 lierbaceae, subapproximatae, sessiles, patentes, in sicco olivaceae, supia- 

 medianae maximae, liiieaies, 12 — 13 cm. loiigae, P',— 2 cm. latae, integer- 

 rimae vel apice acumiiiato, recto vel subfalcato remote.subserrulato-crenulatae, 

 basi obliquae et plus miiuisve iuaequilaterae, rotundatae vel late rotuiidato- 

 cuneatae; veiiae distiiictae, pailidae (colore pimiarum). Frondes fertiles 

 minores, usque ad 40 cm. longae, piiinis remotis, horizontalibus, contractis. 

 Sori capsulis juvenilibus paraphysis longe stipitatis, peltatis copiose intermixtis. 



Fertile frond of tlie spécimen on liand still young. witli the pinnae 

 5 cm. long, 3 mm. broad. 



Ternate: Foramadiahi, in forest, ait. 700 m. (V. M. A. BEGUIN 

 No. 1114, 13 November 1920). 



Lygodium derivatum V. A. V, R. 



Eiilygodium, — Petioli primarii brevissimi vel subnulli, fasciculo pilorum 

 fibrilliformium, ruforum vel castaneorum niuniti; petioli secundarii 2-4 cm, 

 longi, plus minusve decidue flavido-brunneo-puberuli, 2-marginati. Pinnae 

 pinnatae, infimae maximae, usque 25 cm. vel plus longae lataeque; pinnae 

 sequentes sensim minores, supremae maxime ± 10 cm. longae lataeque; 

 rhachis leviter flexuosa, cum petiolulis pinnularum anguste alata et decidue 

 puberula. Pinnulae infra pinnulam terminalem solitariae vel plerumque 

 1 —2, saepissime 2 utrinque ; pinnula terminalis simplex, furcata vel 2-foliolata ; 

 pinnulae sequentes pinnulae terminal! similes; pinnula infima furcata, 2-foliolata 

 vel pinnata, foliolis infra foliolum term.inalem simplex, furcatum vel 2-folio- 

 latum 1 utrinque. Segmenta ultima (lobi, folioli) coriacea, glabra vel 

 glabrescentia, lineari-lanceolata, obtusiuscula ad acuta, margine leviter recur- 

 vata, crenulata, hic illic subintegerrima, basi utrinque subcordato- vel cuneatc- 

 truncata vel antice anguste cuneata; segmenta pinnarum infimarum maxima, 

 usque 15 cm. longa, 2 cm. lata, pinnarum sequentium sensim minora, 

 pinnarum superiorum minima, 4—8 cm. longa, 4-8 mm lata (fertilia spicis 

 exclusis); costa basi haud nodosa; venae graciles, approximatae, apicibus 

 venula spuria marginal!, gracili unitae. Spicae in segmentis pinnarum 

 superiorum, horizontales, confertae vel plus minusve remotae, usque 5 mm. 

 longae; sporae 



The spores of the material on hand were too young for examination. 

 — Perhaps a local derivative of L. circinatani or L. flexiiosuni Sw 



Lingga: Resoen, border of forest, ait 70 m. (H A, B. BuNNEMElJER 

 No. 6808, 18 July 191Q). 



Lygodium salicifolium PR., Supplem. Tent. Pterid. 102; V. A. V. R., 



Mal, Ferns 113. 



Spécimens gathered in the Kangean Archipelago (Sepandjang 

 and P al i a t 1 s 1 a n d s, C. A. Backer Nos. 28758, 28870, 29334) hâve the f uUy 



