— 387 — 



Raphidophora Teysmanniana, Engl & Krause, Pflzrch, XXXVII (IV, 

 23 B), Arac.-Monster., 35, fig. 13. 



Lamina varying from subfalcate-ovate-ianceo!ate to subfalcate-obovate- 

 lanceolate, with the base rotundate-cuneate ; primary veins beneath dark when 

 dry, separated by 5—7 pale, subparallel, finer secondary and tertiary ones. 



Raphidophora glaucescens, Engl. & Krause, Pflzrch., XXXVII (IV, 23 B). 

 Arac.-Monster., 44. 



The diagnosis of this, based on stérile material cultivated in the 

 Buitenzorg Gardens under Z 58, includes two absolutely différent species 

 formerly climbing on the same tree: Scindapsus glaucescens and mamil- 

 liferus v. A. v. R. 



Scindapsus glaucescens (Engl. & Krause), v. A. v. R.; Raphidophora 

 glaucescens, Engl. & Krause, Pflzrch, XXXVll(lV,235),Arac.-Monster..44,p.p. 



Pétiole stout, to 30—40 cm. long, canaliculate above, sheathed to far 

 beyond the middle, terete between the sheath and the knee, the sheath 

 narrowed towards the apex, with the margin scariose and fugacious; knee 

 3 — 4 cm. long, slightly swollen; lamina coriaceous, obliquely oblong or 

 lanceolate-obiong, ± 40 — 65 x 15—25 cm., slightly unequal-sided, the 

 apex shortly acuminate, the base rotundate-cuneate; costa above slightly 

 convex when fresh; primary veins to 40—50 on a side, obliquely ascend- 

 ing, slightly upcurved towards the apex, separated by 6— 8 finer secondary 

 and tertiary ones parallel to the primary ones. Peduncle stout, + 10 cm. 



long. Spathe Spadix sessile, conoid-cylindric, + 25 cm. long and 



4 cm. diam., slightly narrowed towards the stérile, blunt apex; ovaries 

 laterally compressed, ± 1 cm. high, the apex truncate, rhomboidal, to 

 7V2 mm. thick; stigma large, shortly linear, slightly elevated, crowning a 

 convex, subverruculose projection. 



Bornéo. 



Scindapsus mamilliferus, v. A. v R.; Raphidophora glaucescens, Engl. 

 & Krause, Pflzrch, XXXVII (IV, 23 B), Arac.-Monster., 44, p.p. 



Foliorum petiolus sat gracilis, + 75—100 cm. longus, supra a basi 

 usque ad apicem canaliculatus, ultra médium vaginatus, vagina a basi 

 latissima apicem versus sensim angustata, mox exsiccata et dilacerata; 

 geniculum tumidulum, 3—4 cm. longum; lamina coriacea, oblonga, i 

 70 — 80 X 23 — 30 cm., paullo inaequilatera, brevissime (apiculato-)acuminata, 

 basi oblique et inaequaliter cordato-emarginata vel altéra cordata, altéra 

 rotundata; costa supra in vivo complicato-canaliculata; venae primariae 

 patentes, apicem versus arcuato-ascendentes, venis secundariis, tertiariis 

 quaternariisque gracilioribus 8 — 14, primariis parallelis interpositis. Pedun- 

 culus crassus, ± 10 cm. longus. Spatha elongato-navicularis, ± 30 cm. 

 longa et 6 cm. lata, flavida, coriacea, apiculata. Spadix subsessilis, conoideo- 

 cylindricus, i 25 cm. longus, 3'/2 cm. crassus, utrinque paullo attenuatus, 

 obtusus, pallide viridi-flavidus; ovaria + 1 cm. longa, apice truncata, 

 4— 6-angulosa, + 3 mm. crassa, elevato-marginata; styius proportione 



