



- 98 — 



dorso et lateribus longitudinaliter sulcatum, sectione transversa quadrangulum, 

 absque auriculis oblique conicum, c. 0.18 cm. longuin, clinandrio concavo, 

 dorso brevi, late truncato, auriculis conspicuis, porrectis, paulo divergentibus, 

 extus costatis, e basi contracta valde dilatatis, laciniatis, laciniis exterioribus 

 longissimis tenuiter subulatis, ceteris obtuse dentiformibus. Anthera cucullata, 

 jnferne lateraliter compressa, thecis verticalibus suborbicularibus basi 

 liberis basi rotundato-bilobula, apice in appendicem magnam cum parte 

 inferiore angulum obtusum facientem latiorem transverse ovalem leviter 

 retusam supra convexam et papillosam subtus planam et cum margine 

 conico-papillosam producta, connectivointerthecastrigono-convexo-tncrassato 

 et papilloso, c. 0.06 cm. lata. Poilinia 4, ovalia, exteriora extus convexa, 

 intus plana, interiora niulto minora et tenuiora. Rostellum brevissimum, 

 rotundato-excisum, brevissime bidentatum. Stigma obverse triangulum. ?es 

 gynostemii subnullus. Ovarium brève, obconicum, ôsulcatum, cum pedicello 

 brevissimo bene 0.2 cm. longum. 



Sumatra: Padangsche Benederlandeii, Kajoe Tanam, 50 m. (W. 

 Groeneveldt, cuit, sub n. 1380). 



Near B. Osyricera Schltr. from Java, but with differently coloured 

 flowers, a much narrower dorsal sepal, broader petals recurved at the apex, 

 a longer and broader apical portion of the lip, différent auricles of the 

 column. 



The sepals und petals are transparently greenish yellow, the lip 

 greenish yellow, the column green at the base, with the apical half transparently 

 yellowish green. The whole flower turns dark yellow when older. 

 (E. Jacobson). 



Description from a spécimen preserved in alcohol. 



Bulbophyllum t ri c hoglo ttis Ridl. in Journ. Fed. Mal. States 

 Mus. IV (1909), 66. 



var. sumatranum J. J. S. n. var. 



Rhizoma brève, ramosum, caespitosum, radicibus numerosis, tenuibus. 

 Pseudobulbi parvi, approximati, ovoidei, virides, ad c. 0,6 cm. longi et 

 diam., Ifolii. Folium breviter petiolatum, elliptico-oblongum ad lanceolatum, 

 obtusum vel subacutum, basi acutum, supra in utraque parte costae mediae 

 supra sulcatae subtus obtuse carinatae convexum, carncsulum, dilute viride, 

 c. 8.5 — 12.5 cm. longum, 3.1 — 4.1 cm. latum; petiolus condnplicatus, 

 c. 0.5—0.8 cm. longus. Inflorescentiae numerosae, apice c. 2— 4florae, 

 pedunculo filiformi, pallide viridi, sordide suffuso, c. 5 — 9 cm. longo, 

 vaginulis c. 3 tubulosis acutis carinatis donato, rachide abbreviata. Bracteae 

 parvae, adpressae, triangulae, acutae. Flores pseudoumbellati, parvi, c. 0.47 

 cm. longi, sepalis subparallelis, extus nitidis. Sepalum dorsale porrectum, 

 infra médium obtusangule incurvum, oblongum, sensim acuminatum, acutum, 

 concavum, superne minutissime ciliolatum, albidum, apice ochrascens, mar- 



