Van Alderwerelt van Rosenburgh : Malayan Araceae 3. 333 



flowers with the spathe greeii to greenish-white, the spadix white or 

 yellow-white. 



Forma longipes: Folioriim petiolus quam lamina l'/v— 2-plo longior, 

 8-18 cm. longus ; lamina oblonga, 4 — 10 X 2—5 cm., et basi acuta, interdum 

 ovata, quam lata 1 '/.-plo longior et basi obtusa. — Island Simaloer 

 near north-west coast of Sumatra: Tapah, Dèfajan, in forest. (ACHMAD 

 No. 1723, 12 March 1920). 



Homalomena lilacina, V. A. V. R. 



Chamaecladon. — M. Laiiterbacliii Engl. affinis sed dimensibus fere 

 omnibus majoribus. Foliorum petiolus in planta adulta quam lamina 

 + r/a-plo longior, longius vaginatus; lamina conspicue sagittata, 

 13—20 X 4—7 cm., in juventute lilacina. Pedunculi 2 — 4 cm. longi. Spatha 

 ovoideo-fusiformis, 2V2— 3 cm. longa, 3—4 mm. ampla, in juventute 

 lilacina, basi acuta, apice longe, graciliter cuspidata. Spadix breviter 

 stipitatus; inflorescentia ferminea cylindracea, 6 mm. longa, 2 mm. crassa ; 

 ovaria crasse ovoidea ; staminodia obconoideo-clavata; inflorescentia 

 mascula ellipsoideo-cylindracea, quam feminea ± 2-plo longior, in medio 

 2 mm. crassa. 



New Guinea: near Pionier Bivak, terrestrial in forest, ait. 10 m. 

 (H. J. Lam No. 755, 31 July 1920). 



Homalomena scbessiana, V. A. V. R. 



Euhomalomena. — Herba maxima caudice usque + '/, m, alto. Fo- 

 liorum petiolus + 65 cm. longus, ultra tertiam partem vaginatus; lamina 

 in sicco papyracea, sagittato-cordata, i 50 X 30 cm., lobo antico triangulari 

 vel oblongo-triangulari, 38X30 cm., linea plus minusve extrorsum curvata 

 in acuminem angustato, lobis posticis obtuse triangularibus, 12 — 13 X 14 cm., 

 vix extrorsis, sinu rectangulari separatis; venae primariae 8—9 utrinque, 

 4; 4 basales radiantes et apicem versus conspicue sursum curvatae, costales 

 sensim ascendentes, apicem versus arcuatae; venae secundariae, tertiariae 

 quaternariaeque sensim graciliores, tertiariae quaternariaeque inferne inter 



primarias obliquae. Pedunculuâ Spatha 



oblonga, + 9 cm. longa, convoîuta 2'/2 — 3 cm. 

 ampla, antice late hians, marginibus ad basin solum 

 imbricatis, apice acutiuscula, brevissime apiculata. 

 Spadix stipite ^,4 cm. longo, crasso suffultus ; 

 inflorescentia feminea cylindracea, 2 cm. longa, 

 1 cm. crassa; ovaria subobovoideo-oblonga, apice 

 rotundata; stigma sessile, majusculum, depresso- 

 globosum (crasse lentiforme); staminodia pistilla 

 aequantia, obconoideo-obovoidea, graciliter stipi- 

 tata (fig. a); inflorescentia mascula conoideo- 

 ellipsoidea, ô'/, cm. longa, inferne 1—1 Vu cm. 



Fig. a. 



