Van Alderwerelt van RosenburgH: Malayan Araceae 2. 181 



crasse capitato-clavata, brevissime, graciliter stipitata; inflorescentia mascula 



elongato-conoideo-cylindracea, quam feminea + 5-plo 

 longior, l'/4cm. ionga; flores masculi 2— 4-(plerumque 3-) 

 andri, thecis sub connectivo non absconditis (fig. T). 



The description of the colours is taken from fresh 

 material, flowering January 1920. 



Java (Preanger Regencies, Mt. Halinioen, on weatlier 

 beaten rocks along brooks in primeval forest, ait. 600 m., 

 Fis. 1'. R. C. BAKHUIZEN VAN DEN BRINK No 172). 



Homalomena triangularis, V. A. V. R. 



Euhomalomena. — Planta majuscula, + 65 — 80 cm. alta, caudiculo + 

 2 cm. crasso. Foliorum petiolus quam lamina +2 — 2'/2-plo longior, '/4 — '/a 

 parte basai! vaginatus; lamina in sicco firmiter herbacea, paullo elongata, 

 leviter cordato-triangularis, + 20 X 10—12 cm.; lobus anticus triangularis, 

 + 17'/2 cm. longus, apicem breviter acuminatum versus linea paullo excurva 

 sensim angustatus; lobi postici late rotundato-triangulares, '/lo— '/s longi- 

 tudinis lobi antici metientes, sinu non profundo, latissime obtusissimeque 

 triangulari separati; venae primariae + 8—10 utrinque, basales horizontales 

 vel leviter deflexae, parte superiore sursum curvae, costales arcuato-ascen- 

 dentes, venis secundariis tertiariisque gracilioribus interpositis. Pedunculi 

 primum + 7'/2 cm., demum usque 30 cm. longi, deorsum carnei, sur- 

 sum (cum spatha?) virides vel flavido-virides, olivaceo-striati. Spatha cylin- 

 draceo-ellipsoidea, apiculata, primum + 7 cm. Ionga 

 et 1 cm. ampla, demum usque 12 cm. Ionga et 

 l'/2 cm. ampla. Spadix breviter stipitatus, primum 



+ 5'/2 cm. 



Fig. m. 



Fisf. m' 



demum usque 9 cm. longus; inflor- 

 escentia feminea cylindrica, primum 

 + l'/2 cm. Ionga et '/2 cm. crassa, 

 demum major ; ovaria conoideo- 

 ovoidea (fig. m), demum obovoidea, 

 viridia, 3-locularia ; stigma sessile, 

 discoideum, primum rotundum, demum sub-3-lobatum, 

 radiatim 3-sulcatum; staminodia cujusque floris 1—2, 

 pistilla + aequantia, dimidia parte inferiore filiformia, 

 dimidia parte superiore crassissime obconoideo-clavata, 

 flavida ; inflorescentia mascula cylindrica, flavida, primum 

 + 4 cm. Ionga et '/2 cm. crassa, demum major; antherae 

 connectivo crasso, supra applanato, thecas occultante 

 (fig. m'). 



Sumatra {Dell, Medati, swampy places in jungle, 

 ait. 15 m., J. A. LôRZING No. 4071, 27 July 1915). 



