174 Bulletin JARD. Bot. Buitenzorq, Vol. IV. Livr. i. 



Homalomena refulgcns, V. A. V. R. 



ChamaecLadon. — Herba parva, caudiculo + 5 cm. longo. Foliorum 

 petiolus quam lamina paullo brevior, 7—9 cm. longus, obscure viridis, 

 '/a ~ '/2 parte basali vaginatus, vagina pallidiore; lamina herbacea, 

 triangulari-ovata vel -oblonga, + 9 12X6 9 cm., viridis, supra obscure 

 velutino-refulgens, inter venas ieviter convexa, subtus pallidior, basi subcor- 

 dato-truncata, imo brevissime cuneata, apice subabrupte et breviter acu- 

 minata, brevissime apiculata; venae primariae 8 10 utrinque, subtus cum 

 venis secundariis paullo gracilioribus prominentes, venis tertiariis quater- 

 nariisque gracillimis, immersis interpositis, basales horizontales, apicem 

 versus sursum curvae, ceterae sensim magis ascendentes. Pedunculi 2 — 4 cm, 

 longi, virides Spatha conoideo-cylindracea, P/4 — 2'/2 cm. longa, '/2 ~ ^U cm- 

 ampla, viridis, apice acuminata, acumine Ieviter incurvo. Spadix sessilis, 



florifer + l'/2 — 1^/4 cm. longus, 3 — 4 mm. 

 crassus ; inflorescentia faminea breviter cylindra- 

 cea. nh 4 mm. longa, perpallide viridis; ovaria 

 conoideo-lageniformia (fig. e), 2-locularia, ovulis 

 apicem placentae non attingentibus; stigma dis- 

 coideum, quam apex ovarii non multo crassius; 

 staminodia brevia, clavata ad subglobosa, perpal- 

 lide flavida, subeburnea; inflorescentia mascula 

 quam feminea + 3 — 4 plo longior, conoideo- 



riËf, G. — 



cylindracea, perpallide flavida, subeburnea; flo- 

 res masculi 2 — 4-(plerumque 3-)andri, thecis sub connectivo non absconditis 

 (fig. d'). — Foliorum intermediorum petiolus eo foliorum normalium similis 

 sed brevior, lamina spathae late hianti simili sed minore. 



The description is taken from a young living spécimen cultivated in 

 the Buitenzorg Gardens, flowering December 1919 and January 1920. The 

 adult plant has the dimensions perhaps somewhat larger. 



Sumatra (Deli, Sibolangit, in forest, ait. + 1000 m., W. DOCTERS 

 VAN LEEUWEN). 



Homalomena humilis (jACK), HK. F., Flor. Brit. I., VI, 533; ENGL., 

 Pflzrch, LV (IV, 23 Da), Arac.-Philod.-Homal.-Schism., 49, fig. 27; 

 ChamaecLadon humile, MlQ., Flor. Ned. Ind., III, 213; Calla humilis, }ACK, 

 in Calctt. Journ. Nat. Hist., IV (No. 13), 11. 



Spécimens from Bornéo, cultivated in the Buitenzorg Oardens, formerly 

 determined by Enqler as H. ovata ENGL. and H. velutina SCORT., are 

 distinguished by the follov^^ing characters not mentioned in the diagnoses 

 given by HOOKER and EnGLER: Pétiole green, with the sheath green or 

 rosy; lamina l'/a — 3X as long as broad, above bright-green, with an 

 opaque-velutinous appearance when fresh, beneath paler, the base varying 

 from subdecurrent-cuneate to broadly rounded and even slightly cordate- 

 emarginate; peduncle green, yellowish or rosy, as is the spathe; féminine 



