— 91 - 



rhizomatis, patentes, siibumbcllatae, c. 3 — Sflorae, pediiiiculo tenui, c. 1—1.3 

 cm. longo, noniiullis vagiiuilis basi arcte tubulosis superiie anipliatis et 

 apertis ad c. 05 cm. longis doiiato, rachide brevissima, 0.3 cm. loiiga. 

 Bracteae triangulae, acuminatac, concavae, Inerviae, c. 0.4 cm. longae. 

 Flores parvi, c. 0.7 c. loiigi, sepalis subparallelis, lateralibus dorsale paiilo 

 siiperaiitibiis. Sepalum dorsale obloiigiim. acuminatum, concaviim, 3iiervium, 

 c. 0.67 cm. longum, bene 0.3 cm. latum. Sepala lateralia oblique siib- 

 trianguio-obionga, margiiiibus superiie incurvis sensim canaliculato-subulato- 

 acumiiiata et iiicrassatula, acuta, subfalcatiila, angulato-coiicava, costa média 

 dorso incrassata, 3!iervia, c. 0.7 cm. longa, fere 0.3 cm. lata. Petala por- 

 recta. oblique cuiieato-obovata, obtusissima, concava, Inervia, c, 0.35 cm. 

 longa, 0.24 cm. lata. Labellum parvum, mobile, supra basin insertum, apice 

 recurvum, supra visum ovato-orbiculare, apice rotundatum, late canalicula- 

 tum cum lateribus convexum, canalicula costis 2 limitata, costa tertia 

 humili in canaiicul-a, canalicula costisque superne ovanescentibus, superne 

 convexum, subtus niedio longitudinaliter incrassato-carinatum cum sulco 

 longitudinali, 3nervium, c. 0.2 cm. longum et latum. Gynostemium crassum, 

 subconicum, callo longitudinali convexo infra stigma, c. 0.2 cm. longum, auri- 

 culis falcato-subulatis, acutis, antheram superantibus. Anthera cucullata, trans- 

 verse ovalis, breviter rotundato-rostrata, c. 0.1 cm. lata. Pollinia4, alta, lateraliter 

 corn pressa, valde inaequalia, 2 exteriora maxima, oblique subsemiovalia, extus 

 convexa, basi 0.05 cm. metientia, 2 interiora multo angustiora et tenuiora, 

 oblique falcato-lanceolata. Stigma longitudinale, Sangulatum. Pes gynoste- 

 mii cum ovario angulum obtusum faciens, valde incurvus, linearis, ^U 

 partibus superioribus liber, apice truncatus, antice infra apicem minute 

 bidentatus, inexplanatus c. 0.2 cm. longus. Ovarium obconicum, 6sulcatum, 

 c. 0.2 cm. longum; pedicellus teres, c. 0.25 cm. longus. 



Sumatra: Palembang, Goenoeng Dempoe, 1800 m. (Exp. E. Jacobson, 

 AjoEB n. 532, August 1916). 



This is nearest to B. capitatum LndL., which it resembles much in 

 the form of the column. The stems are, liowever, weaker, the pseudobulbs 

 différent, the flowers smaller and differently coloured, with broadly obovate 

 petals and a very différent lip. 



Descripton from herbarium and branchlets preserved in alcohcl. 



^ Bulbophyllum (sect. Desmosanthes) s i k a p 1 n g e n s e J. J. S. n. sp. 

 Rhizoma elongatum, filiforme, vaginatum, praesertim infra pseudobul- 

 bo sradicans. Pseudobulbi c. 0.8—1.7 cm. dissiti, erecti, cum rhizomate 

 angulum acutum facientes, ovoidei, obtusi, sulcis c 5 longitudinalibus, c. 

 0.45—0.875 cm. longi, 0.275—0.4 cm. diam., Ifolii. Folium auguste oblongum, 

 apicem versus non angustatum, obtusum, basi brevissime contractum con- 

 duplicatumque, c. 0.9 — 1.7 cm. longum, 0.35— 0.5 cm. latum. Inflorescentiae 

 e basi pseudobulborum, apice 2— 3florae, pedunculo filiformi, c. 2.1—2.4 

 cm. longo, vaginulis c. 5 tubulosis inferioribus approximatis donato, rachide 



