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Bracteae adpressae, triangulae, acutae, concavae, pallide virides, 

 Ci 0.5 — 0.6 cm. longa*. Flores vagi, simultanei, magni, carnosi, 

 leviter aromatici, c. 5 cm. diam., sepalis petalisque haud plane 

 explanatis, utrinqne nitidis, albis, apice vïrescenti- deinde flave- 

 scenti-tinctis, omnino dense obscure castaneo-maculatis. Sepalum 

 dorsale late elliptico-ovatum, obtusdm, dorso conico-apiculatum, 

 c. 3.1 cm. longum, 2.1 latum. Sepala lateralia ad pedem brevem 

 gynostemii docurrentia, approximato-deflexa, late oblique elliptico- 

 ovata, apice recurva et conico-apiculata, concava, margine interiore 

 valde recurva, c. 3.1 cm. longa, 2.1 cm. lata. Petala late ellip- 

 tica, obtusa, basi breviter unguiculato-angustata, c. 2.75 cm. longa, 

 2 cm. lata. Labellum parvum, brevissime unguiculatum, 31obum, 

 inter lobos latérales cornibus 2 parallelis, interne connatis, su- 

 perne falcato-divergentibus, basin lobi medii vix attingentibus, 

 ante ea in basi lobi medii lamella horizontali, basi labelli adnata, 

 superne libéra, angusta, apicem versus angustata, bidentata, interne 

 dilute aurantiaco-purpurea, superne pallida donatum, expansum 

 c. 1.65 cm. longum et latum, ungue concavo intus longitudinaliter 

 sulcato ; lobi latérales erecti, paralleli, oblique oblongi, obtusi, 

 margine antico recurvi, itaqne extus concavi, intus carina valida, 

 obliqua, marginem anticum recurvum continua, in 1 / 3 infra apicem 

 dentifera, basi in callum carnosum validum reversum obtusum 

 exeunte, aurantiaca ■ donati, parte anteriore albi, striis 2 longitu- 

 dinalibus purpureis notati, parte posteriore intus flavescentes, 

 atrorubro-punctati, c. 0.65 cm. longi, basi 0.43 cm. lati ; lobus 

 intermedius porrectus, horizontalis, crasse carnosus, obovatus, apice 

 crasse conicus, ambitu obrhombeus, basi angustus, subtus sulco 

 longitudinali, supra 5costatus, costa média validissima in apicem 

 conicum excurrente, angulis ad marginem minute denticulatis, 

 supra nonnullis pilis patentibus conicis carnosulis obsitis, purpu- 

 rascens, margine albescens, sulcis inter costas purpureis, c. 1.1 

 cm. longus, 0.9 cm. latus. Gynostemium leviter curvatum, supra 

 basin dilatatam constrictum, dorso convexum, apice prominens 

 obtusissimum retusum, album, c. 1.1 cm. longum. Anthera cu- 

 cullata, margine recurva, apice lata medio minute bidentata, 

 antice carinis 2 obliquis triangulis, dorso callo conico truncato 

 donata, alba, c. 0.37 cm. lata. Pollinia 2, obovoidea, dorso longitudi- 

 naliter sulcata, flava, stipiti spathulato albo affixa, glandula majus- 

 cula, tota c. 0.375 cm. longa. Rostellum recurvum, basi dilatatum, 



