- 105 — 



donato, rachide flexuosa, angulata, atropurpurea, c. 2.5 cm. longa. Bracteae 

 ovario adpressae, minimae, triangulae, acutae, concavae, atropurpureae. 

 Flores vagi, patentissimi, c. 1.1 cm. lati, sepalis patentissimis petalisque 

 pallide viridibus, dorso nitidis et fascia lata irregulari longitudinali atropur- 

 purea intus transiucente notatis. Sepalum dorsale ovale, rotundatum, con- 

 cavum, margine recurvum, c. 0.46 cm. longum, 0.325 cm. latum. Sepala 

 lateralia oblique subobovato-ovalia, obtusissima, basi leviter contracta, 

 margine recurva, c. 0.5 cm. longa, 0.36 cm. lata. Petala incurva, apice 

 recurva, sigmoidea, interne concava, superne convexa, subspathulato-obo- 

 vata, obtusissima, c. 0.43 cm. longa, 0.26 cm. lata. Labellum 31obum, 

 calcaratum, totum c. 0.9 cm. longum ; lobi latérales juxta gynostemium 

 erecti, postice plica intus concava instructi et pedi gynostemii brevissimo 

 adnati, lamella oblique prominente rotundato-truncata ceracea nitida flave- 

 scenti intus in sutura, antice in lobulum triangulum obtusum crenulatum 

 valde subcochleato-incurvum exeuntes, lobulis ante basin lobi intermedii 

 contiguis, aurei, postice flavescentes, apice albi, intus stria transversa 

 punctorum rubrorum ornati et basin versus rubro-punctati ; lobus interme- 

 dius porrectus, sigmoideo-undatus, oblongus, apicem versus angustatus, 

 obtusissimus vel subtruncatus et plus minusve denticulatus, interne conca- 

 vus, antice convexus et intus subverruculosus, purpurascenti-albus, apice 

 excepto purpureo-punctatus, subtus insuper stria longitudinali purpurea 

 notatus, bene 0.4 cm. longus; calcar reversum, subrectum, a dorso leviter 

 compressum, apicem versus angustatum, obtusum, subtus sulco longitu- 

 dinali levi, pallide purpureum, c. 0.45 cm. longum, intus ad oriticium in 

 pariete postico callo luteo utrinque in lamellam transversam parieti ad- 

 natum dilatato instructum, callo transverso luteo etiam in pariete antico, 

 septatum. Gynostemium brève, a dorso compressum, dorso ad basin 

 depressum, album, apice purpureum, c. 0.3 cm. longum, clinandrio concavo, 

 purpureo-notato, auriculis obtusis. Anthera cucuUata, triangula, acuta, basi 

 truncata, alba, basi utrinque tlava, striis 2 parallelis atropurpureis, c. 0.16 

 cm. longa. PoUinia in corpuscula 2 oblique ovalia unita, pallide tlave- 

 scentia, caudicula bicruri latiuscula stipiti mox conduplicato spathulato 

 semipellucido intra apicem attixa, glandula parva purpurea, tota c. 0,2 

 cm. longa. Rostellum obtuse bidentatum, atropurpureum. Stigma magnum, 



