- 92 - 



abbreviata. Bracteae triangulae, acutae, concavae, ad c. 0,17 cm. iongae. 

 Flores parvi, c. 0.4 cm longi, sepalis conniventibus (an semper?). Sepalum 

 dorsale inciirvulum, oblongum, apicem versus angustatum, apice conico- 

 incrassatum, subacutuni, concavum, 3nervium. c. 0.425 cm. longum, 0.15 cm. 

 latiim. Sepala lateralia ad pedem gynostemii decurrentia, oblique triangulo- 

 oblonga, subfalcatula, spice angustata et lateraliter compresso-incrassata, 

 anguste obtusa. concava, 3nervia, c. 0*44 cm. longa, 0.16 cm. lata. Petala 

 porrecta, oblique obovata, rotundata, leviter concava, 3nervia, nervis exterio- 

 ribus brevissimis, vel Inervia, c 0.175 cm. longa, beneO.l cm. lata. Labellum 

 parvum, mobile, recurvum, marginibus recurvis, parte mediana iiicrassatum 

 cum canalicula lata et costis 2 longitudinalibus, costula tertia inconspicua 

 in canalicula, subtus crasse carinato-incràssatum cum canalicula longitu- 

 dinali, explanatum quadratum, apice et lateribus leviter rotundatum. bas! 

 truncatum, c. 1 cm. longum et latum. Gynostemium oblique conicum, 

 dorso convexum, subtus concavum, totum c. 0.125 cm longum, auriculis 

 antheram superantibus, falcato-subulatis. Anlhera cucuUata, transverse ovalis, 

 connectivo in rostrum conspicuum rotundato-triangulum convexum producto, 

 c. 0.05 cm. lata. Pollinia 4, valde inaequalia, exteriora oblique obovata, 

 c. 0.03 cm. longa, interiora multo minora, oblique lanceolata, lateraliter 

 compressa. Pes gynostemii cum ovario et gynostemio angulum obtusum fa- 

 ciens, magnam partem a sepalis lateralibus liber, linearis, apice incurvus 

 et leviter dilatatus, truncatus, parte inferiore intus leviter convexo-incras- 

 satus, c. 0.1 cm. longus. Ovarium obconicum, ôsulcatum, c. 0.1 cm. longum; 

 pedicellus teres, crassiusculus, c. 0.2 cm. longus. 



Sumatra: Loeboek Sikaping, (W. Groeneveldt cuit, sub n. 144). 



This is an ally of B. dempoense J. J. S. but much smaller in ail its 

 parts, the petals are of a différent form, and ihere is no real callus at the base 



of the stigma. 



According to Mr. E. Jacobson the flowers are very pale ochraceous 

 and, with the exception of the lip, transparent. 



Description from a spécimen preserved in alcohol. 



Bulbophyllum (sect. Pleiophyllus) lemniscatoides Rolfe in 

 Gard. Chr. 1891, 1,672; etc. 



var. e X a p p e n d i c u 1 a t u m J. J. S. n. var. 



Differt a forma typica appendices sepalorum brevissime subuiatae,0.05 

 cm. Iongae. Capsula immatura patens, recurvula, ellipsoidea, obtusa, reli- 

 quiis floris coronata, basi acuta in pedicellum 0.1 cm. longum contracta, 

 trigona, 6costata, costis in angulis latis canaliculatisque, c. 1.1 cm. longa. 



Sumatra: Benkoelen, Boekit Kaba, Soeban Ajam, 1200 m.(Exp. E. Ja- 

 cobson 1916, AjOEB, liv. pi. cuit, in Hort. Bog. sub. n. 379). Padangsche 

 Bovenlanden, Manindjau lake, 6C0— 800 m. (E. Jacobson cuit, sub nrs. 556 

 and 1403). 



