— 46 - 



tecti, parte superiore c. 28—38 cm. longa foliati. Folia c. 5 — 10, patentia, 

 elliptica ad oblongo-elliptica, longe vel longiiiscule acute acuminata, infe- 

 riora basi angustatd sessilia, superiora in petiolum contracta, subplicala, 

 leviter undulata, nervis c. 7 supra sulcatis subtus conspiciie promineniibus, 

 membranacea, c. 8.5 — 31 cm. longa, 4.5 — 8 cm. lata ; petioli canaliculati, 

 valde nervosi, ad c. 6 cm. long!; vaginae tubulosae, valde nervosae, infe- 

 riores quam internodia breviores, superiores longiores. inflorescentiae e 

 nodis caulium, erectae, laxe ad c. Qflorae, pedunculo tere.ti, c. 4—4.'» cm. 

 loiigo, rachide aiigulata, tortuoso-flexuosa, glabra, c. 3.7 — 5 cm. longa. 

 Bracteae subovatae, acutae, coiicavae, intus atro-furfuraceo-pilosae, ad c. 

 1.4 — 1.6 cm. longae Flores médiocres. Sepalum dorsale oblongum, acutum, 

 apiculatum, intus ad basin adpiesse puberulum, supra basin c. 7nervium, 

 c. 2.7—3.5 cm. longum, 1-1.3 cm. latum. Sepala lateralia oblique oblonga, 

 acuta, apiculata, intus ad basin adprcsse puberula, 6nervia, costa média 

 intus canaliculata dorso obtuse prominente, c. 2.9 — 3.5 cm. longa, 0.9—1 

 cm. lata. Petala oblongo-elliptica, brevissime acute acuminata, 5nervia, c, 

 2.8—3.25 cm. longa, 1,1 — 1.4 cm. lata. Labellum basi gynostemii brevissime 

 adnatum, calcaratum, simplex, totum explanatum c. 4.1 cm. longum; lamina 

 magna, concava, subius leviter ventricosa, apice canaliculato-recurvula, un- 

 dulata, e basi cuneata quadrangula, in c. ^/s partibus supra basin leviter 

 constricta vix triloba, infra vel supra constrictionem latissima, apice lata 

 utriiique rotundata retusa cum apiculo in sinu, costis 2 parallelis interne 

 leviter convexis superne distinctis et irregulariter marginatis in ^/4 partibus 

 supra basin abrupte terminantibus, glabra, subtus longitudlnaliter sulcata, 

 c. 7nervia, explanata c. 2.7—2.9 cm. longa, ad lobos latérales c. 1.7-1.75 

 cm., ad lobum intermedium 1 6—1.85 cm. lata; calcar reversum, fere rec- 

 tum, lateraliter compressum, e basi conica attenuatum, auguste subobtusum, 

 c. 1 — 1.2 cm. longum. Gynostemium basi longitudine c. 0.4 cm. labello 

 adnatum, rectum, dorso auguste convexum, subtus concavum, apice in 

 utraque stigmatis parte obtuse aliformi-dilatatum, basi etiam conspicue di- 

 latatum, dorso infra antheram gibbosum, c. 1.35 cm, longum, clinandrio 

 alte excavato. Anthera cucullata, subsemiglobosa, in rostrum conspicuum 

 rectum auguste triangulum concavum abrupte contracta, glabra, c. 0.5 cm. 

 longa, connectivo leviter convexo-incrassato. Pollinia 8, compressa, pyri- 

 formia caudiculis elongatis. Rostellum conspicuum, e basi dilatata lineari- 

 deinde subulato-angustatum. Stigma obovato-triangulum. Ovarium pedicel- 

 latum 6sulcatum, c. 1.8 cm. longum. Capsula nutaiis, gynostemio coronata, 

 oblongo-fusiformis, basi apiceque contracta, valde ôcostata, c. 3.3 — 3.5 cm. 

 longa, 0.825 cm. diam., rimis 6 in valvas 3 lineares 3 lanceolato-cyrabi- 

 formes dorso obtuse carinatas basi apiceque connatas dehiscens; pedicellus 

 patens, c 0.6—1.25 cm, longus. 



Sumatra: Mountains between Padang Pandjang und Kampong Tengah, 

 c. 1000 m. (R. SCHLECHTER n. 150909, January 1907). Ophir districts, 

 Goenoeng Talamau. 1300 m. (E. Jacobson, cuit. sub. n. 761). Same locality, 

 on the north-western slope, 1200 m. (H. A. B. Bunnemeijer n. 755, May 1917). 



