28 Bulletin Jard. Bot. Buitenzorg, Série lil, Vol. V. Livr. i. 



4220, July— August 1918). Bataklandeii, Toba, 1400 m. (O. Hagerup n. 14, 

 1916-'17). 



ThoLigh totally différent in habit this much resembies C. vcnnicularis 

 J. J. S. from Bornéo in the characteristics of the flowers. 



The flowers of n. 4050 are described by the collector as yellowish 

 green, those of nrs. 4216 and 4220 as flesh-coloured. 



In the spécimens collected bij Mr. Hagerup the sepals are not acu- 

 tninate. Perhaps they may be regarded as a variety. 



Description from herbarium and flowers preserved in alcohol. 



Coelogyne Buennemeyeri J. J. S. n. sp. 



Rhizoma brève, validum, ramosum, teres, vaginis coriaceis, radicibus 

 crassis. Pseudobulbi approximati, c. 1 — 2 cm. dissiti, oblongo-conici, 

 c. 6 — 7.5 cm. longi, diphylli, initio vaginis imbricantibus sursum accrescentibus 

 ovatis obtusis ad c. 6—9.5 cm. longis tecti. Folia erecta, divergentia, 

 petiolata, lanceolata, acuminata, acuta, basi acuta, costa média sicco supra 

 subtusque prominente, plerumque nervis 2 majoribus et pluribus minoribus in 

 sicco prominulisutrinque, coriacea, supra nitida,subtussubopaca,c. 18 -26cm. 

 longa, 2.6—4.5 cm. lata ; petiolus canaiiculatus, c. 3—7 cm. longus. Infiorescentia 

 proterantha, erecta, arcuata, laxe multiflora, pedunculo c. 5—8.5 cm. longo, 

 rachide c. 20 — 36 cm. longa. Bracteae conspicuae, persistentes, ovario 

 pedicellato breviores, ovato-orbiculares, rotundatae, valde concavae cum 

 marginibus involutis, multinerviae, ad c. 1.75 cm. longae, superiores decre- 

 scentes, 1—2 inferiores saepe stériles et rachidem amplectentes. Flores 

 c. 20—25, médiocres. Sepalum dorsale ovato-oblongum, apicem versus 

 angustatum, obtusum, obtusangule concavum cum lateribus convexis et 

 marginibus recurvulis, basi concavum, dorso obtusangule convexum, 

 5nervium, costa média dorso prominente, c. 2.45 cm. longum, fere 1 cm. 

 latum. Sepala lateralia oblique subovato-oblonga, apicem versus angustata, 

 auguste obtusa, apiculata, obtusangule canaliculata cum lateribus valde 

 convexis et marginibus recurvulis, dorso carinata, Snervia, c, 2.4 cm. longa, 

 0.85 cm. lata. Petala oblique linearia, apice angustata, subacuta, convexa, 

 3nervia, costa média dorso sulco costulis manginato instructa, c. 2.37 cm. 

 longa, 0.3 cm. lata. Labellum leviter recurvum, 3lobum, valde concavum, 

 carinis 2 simplicibus irregulariter crenatis supra basin in - ^^ partibus supra 

 basin lobi intermedii abrupte termiiiantibus, inter carinas obtusangule cana- 

 liculatum, subtus manifeste carinatum, explanatum ambitu ovatum, c. 2.3 cm., 

 usque apicem loborum lateralium c. 1.6 cm. longum, 1.73 cm. latum; 

 lobi latérales semiovati, apice libero brevi oblique rotundato denticulato- 

 crenulati, concavi ; lobus intermedius porrectus, orbiculari-scxangulatus, 

 apice subtruncatus, vix retusus, erosulus, concavus, c. 0.95 cm. longus, fere 

 1.1 cm latus. Gynostemium curvatum, basi auguste dimidio superiore late 

 alatum et subtus concavum, ala apicali recurvula truncata dentata, c. 1.7 cm. 



