- 100 - 



cm. lonoji, 1.1 cm. diam., Ifolii. Foliiim auguste lauceolatum, petiolatiim. 

 apice recLirviilum, siibacutiim, costa média supra sulcata subtus obtuse 

 prominente, molliter et crassiuscule coriaceum, supra uitide viride, subtus 

 dilute opaco-viride. Infiorescentiae e basi pseudobulboi um et e nodis rhizo- 

 matis, erectae, brèves, Iflorae, pedunculo flexuoso, tereti, dilute viridi, 

 atrofusce furfuraceo-punctato, c. 2 cm. longo, 0.17 cm. diam., pluribus va- 

 ginulls superiie accrescentibus ample tiibulosis acutis carinatis semipellu- 

 cidis pallide virescentibus fusce puiictatis donato. Bractea vagiiuilis simi- 

 lis sed basi non tubulosa, c. 1.1 cm. longa. Flos mediocris, c. 3 cm. diam., 

 sepalis dorso ad basin furfuraceo-punctatis petalisque carnosulis, semipel- 

 lucidis, pallidis, densissime atroviolacee subverruCuloso-puuctatis, subopacis, 

 basi iutus nitidis, petalis obscurioribus. Sepalum dorsale incurvum, ovatum, 

 seiisim acuminatum, acuiissimum et apice canaliculatum, concavun:, basi 

 lata utrinque angulato-dentifera medio tantum affixum, dorso costula levi 

 iustructum, c. 2.2 cm. longum, bene 0.9 cm. latum. Sepala lateralia ad 

 pedem gynostemii decurrentia, oblique ovato-triangula, faleata, acutissima, 

 leviter concava, apice canalicuiata, margine interiore supra basin plicam 

 introrsam formantia, c. 2.1 cm. longa, basi 1 cm. lata. Petala patentissima, 

 oblique ovata, falcatula, longius acuminata, acutissima, leviter concava, 

 dorso linea longitudinali prominuia instructa, c. 1.9 cm. longa, 0.8 cm, lata. 

 Labelkim valde mobile, carnosum. subtrilobum, basi rotundato-biauriculatum, 

 extus verruculosum. costis 2 longitudinalibus latis planis papilloso-velutinis 

 ad basin lobi intermedii acute terminantibus inter lobos latérales, costu'a 

 tertia liumili tenuiter sulcata dilutius colorata superne interposita in lobum 

 terminalem producta, sulco basin versus decurrente, atropurpureum, bene 

 0.7 cm. longum, 0.65 cm. latum; lobi latérales erecti, rotundati, intus 

 verruculosi, pilis inversis crispulis alropurpureis c. 0,07 cm. longis ciliati; 

 lobus intermedius margine apicali valde recurvo apice rotundato-gibbosus, 

 verrucosus. Gynostemium brève, ctassum, incurvum, margine aiitico stelidiis 

 2 subulatis acutis curvulis deorsum spectantibus nitide atropurpureis donatum, 

 atropurpureum, absque anthera c. 0.35 cm. longum, apice obtusum. Anthera 

 cucullata, margine apicali lato recurvo truncato serrulato utrinque dentem 

 formante purpureo, connectivo carinato alropurpureo antice in formam dentis 

 lateraliter compressi acuti producto, thecis pallidis. Pollinia 4, in corpusculum 

 globosum unita, flava, 2 interiora minima, glandula spuria conspicua cras- 

 sa flava in stipitem brevem latum purpureum contracta donata. Stigma alte 

 excavatum, transverse ovale. Pes gynostemii cum ovario angulum faciens, 

 apicem versus angustatus, apice libero incurvus et breviter 21obulus. inferne 

 incrassatione basi viscida donatus, pallidus, dense atropurpureo-punctatus, 

 c. 0.7 cm. lougus, basi 0.3 cm. latus. Ovarium pedicellatum valde 6costatum, 

 dilute viride, minute fusce furfuraceo-punctatum, c. 2.9 cm. longum. 



Sumatra: Lampong. (P. van Romburgh, liv. pi. cuit, in Hort. Bog.) 



The flov^ers begin to close slowly at about three o'clock in the after- 

 noon and open again next morning. 



