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Dendrobium spathilingue J. J. S. 



Caules elongati, basi tenues, usque ad 1/3 — 2/5 supra basin sensim 

 incrassati, apicem versus attenuati, flexuosi, sectione transversa subelliptici, 

 6angulati, deinde alte sulcati, internodiis superioribus incrassati, nitidi, 

 sordide fusci, c. 21 — 40 cm. longi, ad 0.9 — 1 cm. diam., interne vaginati, 

 majorem partem foliati, internodiis c. 0.9 — 4. cm. longis. Folia patentia, 

 ovalia ad oblonga, apice recurva, obtusissima, subinaequaliter biloba, basi 

 semiamplexicaulia, costa média subtus leviter prominente, coriacea, nitida, 

 subtus opaca, viridia, plus minusve fusco-suffusa, c. 2.1 — 4 cm. longa, 

 1.15 — 1.9 cm. lata; vaginae tubulosae, internodia paulum superantes, opacae, 

 sordide fuscae. Inflorescentiae ad nodos caulium defoliatorum, brèves, c. 

 Sflorae, c. 1 cm. longae, raciiide viridi. Bracteae adpressae, oblongo- 

 triangulae, concavae, carinatae, c. 0.3 — 0.4 cm. longae. Flores majusculi, 

 albi, valde purpurascenti-tincti vel fere omnino purpurascentes. Sepalum 

 dorsale ovato-lanceolatum, acutum vel obtusiusculum, Snervium, c. 1.8—2.2 

 cm. longum, 0.56 — 0.8 cm. latum. Sepala lateralia lacinia angusta ad 

 pedem gynostemii decurrentia, mentum reversum cum ovario augulum 

 acutum faciens leviter curvatum valde lateraliter compressum superne antice 

 paulo ampliatum et lateraliter compressum obtusum superimposito-bilobu- 

 latum, c. 1.3 — 1.45 cm. longum 0.6 cm. altum formantia, marginibus anticis 

 altius connata, oblique ovato-lanceolata, obtusiuscula, apiculata, 5nervia, 

 c. 1.85 — 2.2 cm., usque ad apicem pedis gynostemii 3.1 — 3.4 cm. longa, 

 c. 0.9 cm., basi 1.6 cm. lata. Petala oblique cuneato-obovata, apice lata oblique 

 truncata subretusa, superne erosula et minute undulata, c. 1.83—2.25 cm. 

 longa, 0.95— 1.325 cm. lata. Labellumspatiiulatum,simplex, unguelineari, basi 

 pedi gynostemii longitudine c. 0.35 cm. adnato, interne breviter ventricoso- 

 curvato et excavato-concavo, superne subrecto, in flexu dente reverso triangulo 

 concavo donato, albo, c. 1.3 cm. longo, 0.2—0.3 cm. lato, lamina obovata, 

 apice latissima retusa cum lobulo brevi lato in sinu, margine antico undulata, 

 infra médium macula obovata vel quadrangula aurantiaco-flava notata, infra 

 maculam incrassatione convexa quadrangula alba donata, c. 1.95—2.2 cm. 

 longa, 1.7—1.85 cm. lata. Gynostemium brève, latum, infra stigma in utraque 

 sulci parte pubescens, album, filamento subulato, clinandrio profunde exca- 

 vato, auriculis majusculis, latis, truncatis, dentatis. Anthera cucullata,trans- 



