- 15 - 



vei'ticalibus, angulatoorbicularibus, apice paucicrenulatis. Anthera 

 sub ala abscondita, cucullata, pendula, extrorsum dehiscens (?), 

 connectivo conspicuo, gibboso. Rostellum parvum, porrectura, 

 triangulum. Stigma parvum, anguste Vfornie, margine incrassatura. 

 Ovarium crassiusculutn, obconicum, (îsulcatum, c. 0.06 cm. 

 longum ; pedicellus crassiusculus, c. 0.6 cm. longus. 



Celebes: ■ Goenoeng Pangararan. (Exp. L. van Yuuren, 

 Rachmat, mixed with n. 922, November 1913). 



A portion of a plant of tliis species was mixed with D. 

 simpUcissimum J. J. S., which bas much the resemblance of it. 

 It is readily distinguished by the entire hp with two short 

 toothlil<;e keels on the base and the short very broad arms of 

 the column. 



Description from a dried spécimen. 



l)('ii<lr<K*liii«siii (sect Platychnis) «iim|)lici!^!iiimiiin 



J. .J. S. n. sp. 



Pseudobulbi approximati (?), sicco elongati, c. 1.2-2 cm. longi, 

 nonnullis vaginis amplectentibus longis superne accrescentibus 

 nigro-l'urfuraceo-maculatis ad c. 3 — 4.5 cm. longis obtecti. Fo- 

 lium erectura, lineare, acutum vel obtusum, breviter apiculatum, 

 basi petiolato-angustatum, coriaceum, totum c. 8.3—13.75 cm. 

 longum, sicco 0.375 — 0.4 cm. latum, parte angustata c. 1.5 — 1.9 

 cm. longa. Inflorescentia in pseudobulbo fera maturo, dense mul- 

 tiflora, pedunculo tenui, subtereti, c. 7.5—17 cm. longo, rachide 

 arcuata, manifeste torta, alato-quadriquetra, c. 4.5 — 7 cm. vel 

 plus longa, internodiis c. 0.07 — 0.125 cm. longis. Bracteae paten- 

 tissimae, persistantes, triangulae, acutae, concavae, c. 0.25 cm. 

 longae. Flores parvi, patentissimi, sepalis semireflaxis, cum ovario 

 angulum acutum facientibus. Sepalum dorsale oblongum, apice 

 paululum angustatum, obtusissimum, dorso infra apicem obtusan- 

 gule incrassatum et breviter obtuse apiculatum, basi convexum, 

 ceterum concavum, Inervium, c. 0.26 cm. longum, bene 0.1 cm. 

 latum. Sepala lateralia oblique oblonga, apice obhque angustata, 

 anguste ^ obtusa, basi leviter convexa, ceterum concava, Inervia, 

 Costa dorso prominente, c. 0.24 cm. longa, 0.12 cm. lata. Petala 

 patentissima, subobovato- vel subov-ali-oblonga, basi angustata, 

 obtusa, Inervia, c. 0.18 cm. longa, 0.07 cm. lata. Labellum basi 



