- 90 - 



basi 9nervium, c. 1.8 cm. longum, 0.95 cm. latum. Sepala lateralia a sepalo 

 intermedio remote inserta, patentissima, divergentia, valde recurva, oblique 

 ovato-oblonga, subfalcatula, brevissime acute acuminata, magnam partem 

 convexa, basi Snervia, c. 1.8 cm. longa, 0.675 cm. lata. Petala brevissime 

 ad pedem gynostemii decurrentia, patentissima, oblique oblonga, vix ellip- 

 tica, obtusa, subacuta vel apiculata, basi Tnervia. c. 1.3 cm. longa, 0.6 cm. 

 lata. Labelium mobile, supra basin recurvulum, a dorso compressum, ob- 

 longo-ovatum, apice rotundatum, basi truncatum, dimidio inferiore supra 

 iate canaliculatum, canalicula costis 2 latis marginata, marginibus cum 

 parte antica convexum, costulis 2 luimilibus sulco separatis basi utrisque 

 in callum rotundatum incrassatis in canalicula, basi subtus crasse et 

 obtuse carinatum cum sulco longitudinali, sulco usque ad apicem 

 producto et superne costis 2 convexis liniitato, 9nervium, c. 1.2 cm. 

 longum, 0.65 cm. latum. Gynostemium vix curvulum, dorso convexum, 

 basin versus lateraliter conpressum, c. 0.7 cm. longum, clinandrio excavato, 

 transverse quadrangulo, filamento elongato, subulato. Anthera alte cucuUata, 

 conica, apice subtruncata, c. 0.18 cm. lata. Pollinia 4, inaequalia, 'lateraliter 

 compressa, oblique obovata, extus convexa, intus plana, 2 interiora quam 

 exteriora multo angustiora. Rostellum recurvulum, leviter rotundatum. 

 Stigma longitudinale, obverse triangulum, basin gynostemii fere attingens. Pes 

 gynostemii cum ovario et gynostemio angulum rectum faciens. rectus, apice 

 incurvulus, linearis, leviter concavus, c. 0.5 cm. longus. Ovarium obconicum, 

 6sulcatum, furfuraceo-punctatum, c. 0.4 cm. longum; pedicellus teres, parce 

 et minute furfuraceo-punctatus, c. 2.2—2.6 cm. longus. 



Sumatra: Padangsche Bovenlanden, Loeboek Sikaping.(A. V. Theunissen, 

 cuit, in Hort. E. Jacobson sub nrs. 1795, 1796). 



Tliis can not be placed satisfactorily in any of the proposed sections. 

 It is perhaps nearest to Ephippium, but the column is very différent. 



„Leaf somewhat yellowish green. Bract yellowish green with a brownish 

 hue, and punctate brown. Pedicel yellowish green; ovary light olive brown, 

 with very minute brown dots. Sepals transparently light yellow. Petals 

 transparently light greenish yellow. Lip light yellow, darker yellow in 

 the groove and minutely dotted purple on both sides of it. Column light 

 yellowish green, the anther more yellow and with a row of few very minute 

 brownish purple dots at the margin." (E. Jacobson). 



Bulbophyllum (sect. Desmosanthes) d e m p o e n s e J. J. S. n. sp. 



Rhizoma elongatum, dependens, valde ramosum, tenue, pars adest c. 

 20 cm. longa. vaginis tubulosis, radicibus paucis, Pseudobulbi c. 4—6 

 cm. distantes, superiores densiores et minores, rhizoma continui, plus 

 minusve recurvi, oblongo-subfusiformes, basi apiceque obtusi, obtuse 9— 

 lOcostati et canaliculati, c. 1.5—2.7 cm. longi, 0.525—0.63 cm. diam., 

 Ifolii. Folium ovato-lanceolatum, acutum, basi subabrupte cuneato-petiolato- 

 contractum, convexum cum costa média supra sulcata subtus prominula, 

 coriaceum, c. 5—7 cm. longum, 1 — 1.5 cm. latum. inflorescentiae e nodis 



