Van Alderwerelt van Rosenburgh : Malayan Araceae 2. 1 97 



vaginatus, perdense sed mituitissime puncticulato-scaberulus ; vagina caduca ; 

 lamina in sicco coriacea, lanceolata, in specimine 52 X 16 cm., circiter in 

 medio latissima, inaequilatera, uno latere + l'/4-plo latiore, basi acute 

 rotundato cuneata, apice acuta; costa subtus decidue, breviter puberuia, 

 inter pilos haud vel vix spurie tomentosa '); venae in sicco utrinque sed 

 subtus distinctius prominentes, patentes, ieviter arcuato-ascendentes, apice 

 sursum curvae ; venae primariae + 22 utrinque, distinctae, venis secundariis 1 

 et tertiariis 4—6 sensim gracilioribus, venuiis transversalibus graciilimis unitis 

 interpositis. Pedunculus 7'/2-10 em. longus. Spatha crasse coriacea, 15 cm. 

 longa, acuta. Spadix cylindraceus, fiorifer brevissime stipitatus, potius 

 subsessilis, 12'/2 cm. longus, in sicco VU cm. crassus, basi 

 obliquus, apice late rotundatus, fructifer paullo longius 

 stipitatus, usque ± M^U cm. longus, paullo crassior; ovaria 

 prismatica, ± 4 mm. longa, '/4 parte apicali incrassata, 

 4_5.angulosa, + l'/a rn^i- crassa, + truncata, levissime 

 radiato-rugulosa; ovula copiosa, ad placentas 2 oppositas 

 disposita; stylus brevissime cylindraceus; stigma rotundato- 

 discoideum; planum, quam stylus non latius. (Fig. y). 



Sumatra {Dell, Betimoes Valley, primeval forest, ait. pjg y_ 



± 500 m., J. A. LÔRZING No. 5563, 20 March 1918). 



Raphidophora jaculiformis, V. A. V. R. 



Caudex subteres, internodiis ^U — ^l^ cm. longis, ^U—\ cm. crassis. 

 Foliorum petiolus 12'/2 — l^'/a cm. longus, usque ad geniculum '/a— 1 cm. 

 longum vaginatus; vagina crasse scariosa, a basi apicem versus sensim 

 angustata, persistens; lamina in sicco coriacea, lanceolata, 17'/2— 25 X4V2— 

 5'/2 cm., infra médium latissima, inaequilatera, uno latere l'/4— l'/a-P'o 

 latiore, basi oblique rotundato-cuneata, apice sensim angustata, acuminata, 

 acumine saepe subabrupte falcatulo-curvato, breviter apiculato; venae in 

 sicco utrinque prominentes, supra subaequales, subtus distincte diversae; 

 venae primariae 10 — 15 utrinque, plus minusve ascendentes, apicem versus 

 sursum curvae, venis secundariis tertiariisque gracilioribus venuiis trans- 

 versalibus graciilimis unitis interpositis. Pedunculus + 7'/2 cm. longus. 

 Spatha coriacea, cylindraceo-navicularis, ± 572 cm. longa, hians, acuta, 

 caduca. Spadix sessilis, cylindraceus, 3'/4— 3'/4 cm. longus, ^U cm. crassus, 

 apice rotundatus; ovaria ± 3 mm. longa, apice truncata, + 1 mm. crassa^ 

 ovulis multis, a basi usque ad apicem placentarum dispositis; stylus brevis, 

 graciliter cylindraceus; stigma parvum. 



Bornéo (JAHERI). 



Raphidophora foraminifera, EnQL., in Pflzrch, XXXVIl (iV. 23 B), 

 45, fig. 19; Epipretnnuni foraminiferiim, ENGL., Bot. Jahrb., XXV, 11. 



A plant from Sumatra {Dell, Sibolanfrit, J. A. LôRZiNG No. 5521), 

 flowering and fruiting February 1918, which is undoubtedly this species, 



') See my information iinder R. pilosiila v. A. v. R. 



