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vaginae tubulosae, iiiternodiis miilto longiores, dense nigro-liirtellae. 

 Inflorescentiae e nodis siiperioribus caulium plerumque defoliatorum, 

 erecto patentes, paucitlorae, pedunculo abbreviHto. Bracteae ad- 

 pressao, anguste triangulae, pubescentes, c. 1.2 cm. longae. Flores 

 niagiii, nivei, c. 6 cm. lati, 4.25 cm. longi. Sepalum dorsale 

 oblongum, obtusum, ol)tnse conico-apiculatum, convexum, apice 

 concavum, nervis 7 dorso prominentibus. Sepala lateralia ad 

 pedem gynostemii decurrentia, mentum breviusculum reversum 

 conicum conico-acuminatum apice calcariforme auguste obtusum 

 c. 1.2 cm. longum formantia, oblique oblongo-triangnla, apice 

 conduplicata, basi oblique dilatata, nervis c. 9 dorso prominen- 

 tibus, nervis exterioribus tenuissimis, costa média dorso praesertim 

 superne carinata, reticulato-venosa, c. 3.2 cm., margine inferiore 

 3.95 cm. longa, basi 1.6 cm. lata. Petala divergentia, apice 

 leviter recurva, oblique subovato-ovalia, obtusissima et apice 

 minute 2dentata, basi late oblique cuneata, ima basi incrassata, 

 laxe undulata, repandula, basi 3-, supra basin c. 9nervia, reti- 

 culato-venosa, c. 3.5 cm. longa, 2.15 cm. lata. Labellum por- 

 rectum, ungue brevi apici pedis gynostemii in formam calcaris 

 anguste conici a dorso paulo compressi obtusi adnatum, 31obum, 

 intus fascia longitudinali convexa inter lobos latérales magis 

 elevata et carinata infra incrassationem sulco longitudinali duplicata 

 puberulaque instructum, subtus fascia longitudinali leviter concava 

 inferne leviter longitudinaliter sulcata donatum, niveum, medio 

 macula quadrangula aurea fere ad médium lobi intermedii usque 

 inferne inter apices loborum lateralium in striam longitudinalem 

 dilute cerasinam in basi labelli partis liberae in maculam angulatam 

 auream pulchre purpureo-marginatam terminatam vergente orna- 

 tum, expansum totum c. 4.1 cm., usque ad basin lobi intermedii 

 2.25 cm. longum, ad lobos latérales 2.5 cm. latum : unguis 

 cuneatus, c. 0.75 cm. longus; lobi latérales remoti, erecti, antice 

 divergentes, margine superiore incurvi, gynostemium superantes, 

 oblique semiorbiculares, antice vix producto-rotundati; lobus inter- 

 medius porrectus, transverse ovalis, apice subretusus cum apiculo 

 triangulo recurvo, repandulus, c. 1.8 cm. longus, 2.2 cm., basi 

 1.1 cm. latus. Gynostemium rectum, latum, trigonum, basi 

 rotundatum puberulo-papillosumque, c. 0.7 cm. longum, filamento 

 recto, subulato, auriculas late oblique triangulàs obtusas vix 

 superante. Anthera cucuUata, a dorso compressa, trans verse 



