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DENDHOBIUM MULT1COSTATUM J. J. S. 11. Sp. 



Caules elongati, penduli, tenues, quadrangulares, longi- 

 tudinaliter sulcati, foliati, ultimo sordide flavi, c. 70 cm. 

 longi, 0.4 cm. crassi ; internodia c. 2.5 cm. longa, basin 

 et apicem versus decrescentia. Folia patentia, linearia, 

 apicem versus sensim attenuata, valde inaequaliter bi- 

 dentata, costa media supra sulcata, subtus vix promi- 

 nenti, supra in utraque parte costae convexa punctis 

 impressis, viridia, nitida, subtus opaca, coriacea, c. 10 cm. 

 longa. 0.7 cm. lata; vaginae tubulosae, opaco-flavoviiï- 

 des. Inflorescentiae ad nodos caulium, paucae, breves, 

 lflorae. Pedunculus brevissimus, tenuis, sordidus. 0.6 

 cm. longus, basi vaginis paucis brevissimis tectus. Brac- 

 tea parva, adpressa, triangula, acuta, pallide brunnea, 

 0.13 cm. longa. Flos parvus, 1.45 cm. latus, sepalis 

 albis, brunneo-tinctis, extus nitidis, intus opacis. Sepa- 

 lum dorsale ovatum, conico-apiculatum, acutum, convex- 

 um, apice reflexum, c. 0.8 cm. longum, 0.5 cm. latum. 

 Sepala lateralia lacinia angusta ad pedem gynostemii 

 decurrentia, marginibus anticis connatis, mentum calca- 

 riforme, tenue, obtusum, lateraliter compressum, retro- 

 versum. ovarium versus leviter recurvum, dilute carneo- 

 brunneum formantia, oblongo-triangula, basi concava, apice 

 recurva. convexa, in apiculum conicum acuminata, c. 0.9 

 cm. longa, 0.67 cm. lata. Petala cuneato-obovato-oblonga, 

 obtusa, apicem recurvum versus erosa, convexa, alba, 

 basi brunneo-tincta, c. 0.85 cm. longa, fere 0.4 cm. lata. 

 Labellum e basi unguiculata pedi gynostemii in calcar 

 tenue, lateraliter compressum, obtusum, 0.5 cm. longum 

 adnata valde dilatatum, latissimum, valde concavum, 3- 

 lobum, expansum totum 1.55 cm. longum, 1.25 cm. latum, 

 ad basin laminae papillis conicis instructum; unguis ca- 

 naliculatus, brunneus, 0.5 cm. longus; lobi laterales in) 

 termediu multo minores, e basi lata triangulares, falcati ? 



