Van Alderwerelt van RosenburQH: MaLayan Araceae 2. 177 



The description is taken from a living plant cultivated in the Buitenzorg 

 Gardens, flovvering July 1920. 



Celebes (Capt. L. van Vuuren's Exploration Expédition). 



Homalomena asperifolia, V. A. V. R. 



Chamaecladon. — Herba relative parva, iisque 12'/2 cm. alta, caudi- 

 culo usque 7' /a cm. longo, ^/t cm. crasso. Foliorum petiolus quam lami- 

 nae ± 2-plo brevior (nunc paullo longior, nunc paullo brevior), laevis, 

 i/^_i/2 parte basali vaginatus, vagina viridi vel rosea; lamina subcoriacea 

 subelliptica, ovalis, ovata vel lanceolata, longitudine lV2-3-plo latitudinem 

 metiens, 7V'2— I2V2 X 2V2— 6 cm., supra obscure viridis, verrucis subcon- 

 tiguis, obtuse conicis, oculo nudo perspicuis aspera, subtus pallidior, ver- 

 ruculis minutis, oculo nudo non perspicuis asperula, basi rotundato-cuneata 

 ad late rotundata vel leviter cordato-emarginata, apice rotundata vel breviter 

 acuminata, minute apiculata; venae primariae 4—7 utrinque, cum venis 

 secundariis subtus distincte prominentes, venis tertiariis gracillimis, immersis, 

 erecto-patentes, inferiores in foliis latissimis subhorizontales, apicem versus 

 sursum curvae. Pedunculi l'/2— 2 cm. longi, virides vel flavido-virides. 

 Spatha conoideo-ellipsoidea, ± l'/2— 2 cm. longa, usque V2 cm. ampla, 



viridis vel fiavido-viridis, breviter cuspidata. Spadix 

 subsessilis, l'/j — P/4 cm. longus, usque ± 3 mm. 

 crassus; inflorescentia feminea usque + 3 mm. 

 longa; ovaria ovoideo-conoidea (fig. g), pallide viridia, 

 2-locularia, ovulis ± basifixis; stigma parvum, rotun- 

 dum; staminodia non vidi ; inflorescentia mascula 

 quam feminea + 3-4-plo longior, pallide viridis vel 

 flavida; flores masculi 3-4-andri, thecis sub con- 

 nectivo iion occultis (fig. d'). 



The description is taken from living plants cultivated in the Buitenzorg 

 Gardens, flowering December 1919 and January 1920. 



Sumatra (Dell, Haboko, in forest, W. DOCTERS VAN Leeuwen). 



Homalomena Doctersii, V. A. V. R. 



Chamaecladon. — Herba perparva, foliis subrosulatis. 

 Foliorum petiolus perbrevis, 3 — 4 mm. longus, supra cana- 

 liculatus, usque vel fere usque ad laminam vaginatus, inter 

 vaginam et laminam marginatus et ciliolatus; vagina apice 

 2-ligulato-auriculata, auriculis ciliolatis vel integerrimis (deci- 

 due ciliolatis?) ; lamina herbacea, obovata 2— 4'/2 X 1 '/2 — 2'/2 

 cm., apice rotundata vel obtusa et abrupte, minutissime 

 acuminata, margine in vivo plicis recurvatis, copiosis, regu- 

 laribus, subcontiguis, falcatis specie (oculo nudo conspecta) 

 minute denticulata, copiose albido-ciliolata (fig. h), basi plus 

 minusve auguste rotundato-cuneata; costa subtus basin 



•ig. h. 



