- 5^ - 



culo simili, c. 7 cm. longa. Bracteae magnae, patentissimae vel plus minusve 

 recurvae, margiiiibiis iateralibiis valde revolutae, subovales, breviter acumi- 

 natae, acutae, pallide virides, c. 1.8 cm. loiigae, 1 cm. latae, superiores 

 minores. Flores c. 13, patentes, c. 1.6 cm. lati, 1.3 cm. longi, sordide 

 purpurascenti-aibi, sepalis dorso ad basin parce fusce pubescentibus. Sepahim 

 dorsale porrectum, sigmoideum, basi concavum, apice recurvum convexumqne, 

 anguste ovato-oblongum, subacutum, basi 3-, supra basin 5nervium, nervis 

 obsolète purpurasceiitibus, c. 1.2 cm. longum, 0.4 cm. latum. Sepala lateralia 

 cum pede gynostemii mentum latum rectum cum ovario angulum acutum 

 fere rectum faciens antice omnino apertum apice bilobum c. 0.4 cm. longum 

 formantia, divergentia, basi concava, ceterum convexa cum canalicula lon- 

 gitudinali, oblique oblongo-triangula, falcatula, fere acuta, costa média dorso 

 prominente, nervis 4 basin versus purpurascentibus, fere 1.1 cm. longa, 

 0.6 cm. lata. Petala porrecta, concava, apice revoluta, oblique lanceolata, 

 acuta, Inervia, parte mediana excepta pallide purpurascentia, c. 0.95 cm. 

 longa, 0.3 cm. lata. Labellum gynostemio parallelum, 31obum, concavum, 

 apice valde recurvum, supra basin 3costatum, costa intermedia basi convexa 

 et leviter incrassata papillosa atropurpurea deinde canaliculata et marginibus 

 tantum atropurpurea in lobo medio verrucosa in medio lobi intermedii 

 terminante, costis exterioribus basi valde extrorsum dilatatis atropurpures 

 deinde marginibus elevatis hic illic interruptis atropurpureis duplicatis ad 

 basin lobi intermedii terminantibus, costis 2 obliquis superne approximatis 

 verrucosis atropurpureis additis e basi usque in médium lobi intermedii, 

 explanatum cuneato-obovatum, bene 0.8 cm. longum, ad lobos latérales 0.6 

 cm. latum, basi pallide flavescens, hypochylio ceterum purpureo; lobi laté- 

 rales erecti, porrecti, falcato-trianguli, acuti, purpurei, obscurius nervosi, 

 flavescenti-marginati; lobus intermedius magnus, valde recurvus, transverse 

 ovalis, subreniformis, brevissime rotundato-3lobulus, convexus, late radiato- 

 convexo-costatus, pallide ochrascens, fere 0.4 cm. longus, 0.6 cm. latus. 

 Gynostemium curvulum, a dorso compressum, dorso convexum, flavescenti- 

 album, c. 0.475 cm. longum, clinandrio alte excavato, transverse ovali, apice 

 brevissime trilobulo. Anthera cucullata, apice breviter obtuse conico-gibbosa, 

 basi 2lobula, flavescenti-alba, c. 0.16 cm. lata. Stigma transverse oblongum] 

 margine inferiore bidentatum. Pes gynostemii cum ovario angulum acutum 

 fere rectum faciens, rectus, oblongo-quadrangulus, apicem versus anguslatus, 

 truncatus, magnam partem opaco-purpureus, basi nitide flavescenti-albus, 

 bene 0.3 cm. longus, Ovarium 6sulcatum, praesertim in sulcis fusce pube- 

 scens, pallide viride, c. 1.425 cm. longum. 



Mentawei- Islands. (J. F. K. Hansen, cuit.) 



Apparently near E. euryoloba Schltr., but with much longer bracts 

 and ovaries, larger flowers, acute sepals, petals and sidelobes of lip, 

 différent keels on the lip. 



Description from living spécimens kindly put at my disposai by 

 Captain Hans.en. 



