Van Alderwerelt van RosenbuRQH: Malayan Ferns 12. 18Q 



articulatae; piiiiiac maximae 55—60 cm. loii^ae, 18 20cm.latae. Piiiniilae 

 papyraceae, olabrae, contij^uae, basi articulatae, superiores centralcsque 

 sessilcs, asceiideiites, loiij^e acuminatae, inferiores vcl iiifimae brevissime 

 petiolulatae, horizontales, paiillo reductae, obtiisae vei breviter obtuse acu- 

 minatae; piniiulae maximae elon.sj^ato-Iaiiceolatae vel- -obloiijTae, Q -10 cm. 

 longae, in medio 1-74— 2'/4 cm. latae, rectae vel subfalcatae, profunde 

 pinnatipartitae, acumine crenatae vel dentato-crenatae, basi saepe pinnatae; 

 Costa supra brunneo-puberula, subtus ochraceo-furfuraceo-puberula, mox 

 glabrescens. Sepjmenta remotiuscula, patentia vel infima horizontalia, maxima 

 lineari-oblonga, usque ad l'/i cm. lon.^a, usque ad 3 mm. lata, obtusa, 

 superiora creiiulata, sequentia grosse dentata (potius lobato-dentata), basi 

 postica lobulo decurrenti abrupte oblique dilatata; segmenta inferiora vel 

 infima saepe libéra, pauUo abbreviata, elongato-clavata, basi angustata adnata; 

 costula supra glabra, subtus paleis minutis, lanceolatis, bullatis, acumitiatis, 

 pallide brunneis munita; venae usque ad 8 — 10 utrinque, in dentibus vel 

 lobulis ultimis furcatae vel parce pinnatim ramosae, superiores simplices. 

 Sori 1—2 (vel plus?) utrinque, venas inferiores occupantes, costulares vel 

 infimi postici subcostulares; receptaculum ad basin squama distincta, brunnea, 

 saepe regulariter orbiculari, plana vel scutelliformi cinctum. 



Sumatra: Mt. Koerintji, in forest, ait 2000 m. (H. A. B. BUNNEMEIJER 

 No. 10352, 8 May 1920). 



' Cyathea longipes V. A. V. R. 



Stipites + 115 cm. longi, in sicco pallide rufo-fusci, basin versus 

 parce squamosi, spinis conicis, subacutis aculeati et basibus persistentibus 

 squamarum decessarum tuberculati, ceterum ochraceo-ferrugineo-furfu- 

 racei, aërophoris longitudinalibus, lineari-oblongis, depressis muniti, sursum 

 (cum parte inferiore rhachidis primariae) spinulis minutis conicis acu- 

 leolati; squamae longe subulatae, castaneae, graciliter longe acuminatae, 

 margine pallidiores, erosae vel fimbriato-laceratae. Frondes ovato-lanceolatae', 

 +: 125 cm. longae, profunde 3-pinnatifidae, subabrupte breviter acuminatae; 

 rhachis primaria supra rufo- vel castaneo-hirsuto-tomentosa, subtus (cum 

 rhachidibus secundariis) mox glabrescens, laevis vel parcissime muriculato- 

 asperula. Pinnae ascendentes, superiores sessiles, inferiores petiolatae; 

 pinnae maximae lineari-lanceolatae, + 55 cm. longae, média parte^l5 cm. 

 latae, apice sensim acuminatae; pinnulae subcoriaceae, glabrae, remotae, 

 triangulari- vel lineari-lanceolatae, superiores sessiles, ascendentes, inferiores 

 petiolulatae, horizontales; pinnulae medianae maximae 7'/, cm. longae, ad 

 vel supra basin P/j cm. latae; costa supra rufo-hirsuta, subtus pilis caducis, 

 pallidis, lanuginosis et squamulis planis lanceolatis, laceratis munita, 

 glabrescens. Segmenta approximata, patentia, lineari-oblonga, subfalcata, 

 usque ad 1 cm. longa, 3 mm. lata, obtusa, superiora integerrima vel 

 subcrenulata, cetera crenulata vel crenata, infima postica saepe libéra, 

 crenata vel crenato-dentata ; costula supra glabra, subtus parce, minute 



