— 108 — 



cm. et plus longa, c. 0.5 cm., cum bracteis pectinata et c. 13 cm. lata,, 

 interiiodiis latere aiigusto alternatim excavatis, c. 0.4—0.5 cm. longis et 

 jatis. Bracteae alternatim bifariae, laxae, non contiguae, erecto-patentes,. 

 conduplicato-triangiilae, acittae, basi margine siiperiore teiiui rachidem 

 ampk'ctentes, basi supra subtusque excavatae, alte acute carinatae et leviter 

 curvatae, dorso iiiieam fere coutinuam formantes, c. 0.75—0.8 cm. longae. 

 Flores iiitervallis saepe biiii expansi, magni, teneri, ephemeri, pulchri,, 

 suaveolentes, sepalis petaiisque patetitissimis, laete flavo-aurantiacis. '/g. 

 parte inferiore albis. Sepalum dorsale lineare, apicem versus sensim angus- 

 tatum, acutissimum, concavum, c. 4.1 cm. loiigum, 0.35 cm. latum. Sepala 

 lateralia intermedio similia, obliqua, basi falcata, concava, c. 4.2 cm. longa,. 

 basi 0.42 cm. lata. Petala recurva, linearia, acutissima, concava, c. 3.8 cm. 

 longa, 0.32 cm. lata. Labellum 31obum, saccatum, concavum, album, medio^ 

 diiute fiavum cinnamomeo-punctatum, sine odore, intus iiifra basin lobi 

 intermedii callo transverso incurvo cariioso aequilateraliter trapeziformi 

 truncato antice convexo glabro donatum,- totum c. 1.5 cm. longum ; saccus 

 postice pedem gynostemii continuus, late subconicus, apice truncatus sub- 

 retusus, flavescens, apice flavus, intus atrofusco-purpureo-maculatus et 

 pariete antico fascia longitudinali papillosa a callo decurrente instructus, 

 usque ad apicem pedis gynostemii c. 0.45 cm., usque ad ovarium 0.66' 

 cm. lotigus, 0.55 cm. latus; lobi latérales erecti, late et brevissime trianguii, 

 margine postico rotundati, obtusi, albi, gynostemium bene superantesî 

 lobus intermedius poriectus, cum sacco angulum obtusum facieiis, satis 

 longus, rectus, auguste conicus, subteies, acutus, supra ad basin triangulo- 

 excavatus, spongioso-carnosus, papillosus, aibu?, basi flavescens, c. 0.7 

 cm. longus, basi 0.35 cm. latus. Gynostemium brève, vix a latere com- 

 pressum, album, c. 0.35 cm. longum, clinandrio triangulo, leviter concavo, 

 apice obtuso. Anthera cucullata, subglobosa, apice paulo dilatata, late 

 refusa, teiiuis, alba, fere 0.2 cm. lata. Pollinia 4, inaequalia, a dorso com- 

 pressa, oblique oblonga, obtusa, albida, postica quam aiitica multo minora, 

 cum stipite brevissimo lato in appendicem liberam erectam truncatam pro- 

 duct>) albo et glandula semilunata c. 0.175 cm. longa. Rostellum brevissimum,. 

 2dentatum. Stigma parvum, transverse ovale. Pes gynostemii cum ovario 

 angulum subacutum faciens, bievis, latus, rectus, quadrangulus, apice haud 

 dilatatus, trlmcatus, c. 0.2 cm. longus. Ovarium tisulcatuni, pallide viride, 

 c. 1.4 longum. 



Sumatra: Padangsche Boveiilanden. (P. v.^N Romburgh, liv. pi. cuit, in 

 Hort. Bog.). Fort de Kock. (W. Groeneveldt, li\'. pi. cuit, in Hort. bog. 

 sub. n. 1). 



Amongst tlie species vvith a rather long stem and caudate sepals and 

 petals this in characterized by the colour and the short blunt side lobes 

 of the lip. It is to be noted that only the sepals and petals are fragrant,. 

 whereas the lip is scentless. 



Description from cultivated spécimens. 



