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rectum, lateraliter compressum, sectione tran.sver.sa trigonum, 

 apice truncatum, glabrum, album, purpureo-maculatum, c. 0.25 

 cm. longum. Antheia cucullata. lateraliter compressa, apicem versus 

 dilatata, brevissime apiculato acuminata, membranacea, alba, bene 

 0.1 cm. lata. PoUinia 4, valde inaequalia, valde lateraliter com- 

 pressa, pallide tlava, semipellucida, 2 maxima valde curvata, apicem 

 versus dilatata, obtusa, basi acuta, 2 minima recta, anguste line- 

 aria, stipite suborbiculari convexo albo, apice in appendicem 

 liberam oblongam obtusam pollinia minima aequantem producto, 

 glandula hippocrepidiformi-curvata, tota c. 0.17 cm. longa. Stigma 

 alte excavatum. Rostellum brevissimum, 2dentatum. Pes gynoste- 

 mii cum ovario angulum rectum faciens, oblongoquadrangulus, 

 truncatus, concavus, colore gynostemii, c. 0.2 cm. longus. Ovarium 

 teres, (isulcatum, dilute viride, superne sordide purpureo-puncta- 

 tum, c. 1.1 cm. longum. 



Sumatra: Benkoelen, Boekit Barisan, liimbo Pengadang, 

 1000 m. (Exp. E. Jacobson 1916, Ajoeb, liv. pi. cuit, in 

 Hort. Bog. sub n. 713). 



This lias the same peculiar narrow pollinia as Th. Raciborskii 

 J. J. S., but differs in the broader leaves, smaller differently 

 coloured flowers, a relatively longer midlobe and shorter spui-, 

 and much shorter posterior pollinia. 



Description from living plants. 



' Afleiioii<*o«i eloii&ala J. J. S. n. sp. 



Gaules elongati, praesertim basi ramosi, dependentes, apice 

 incurvi, inferne tantum radicantes, apice foliati, flexuosi, teretes, 

 nitide virides, 50 cm. superantes, c. 0.225 cm. diam., internodiis 

 c. 1 — 1.8 cm. longis. Folia patentissima, recurvula, sublinearia, 

 subsemiteretia, supra obtusangule vel rectangule canaliculata, 

 subtus plus minusve obtusangule convexa, apice leviter sed abrupte 

 contracta, acumine lateraliter compressosubulato, acuta, basi 

 contracta et transverse rugosa, crasse carnosa, rigida, nitide a- 

 troviridia, c. 3.7 — 6.2 cm. longa, 0.45 — 0.575 cm. lata, acumine 

 c. 0.35 — 1 cm. longo, basi contracta 0.3 — 0.4 cm. longa: vaginae 

 internodia aequantes, tubulosae, valde rugosae, nitidulae, virides, 

 c. 0.38 cm. diam. Intlorescentiae vaginas dorso ad basin per- 

 forantes, saepe 2 superpositae, junior infima, brevissimae, 2 — 8- 

 tlorae, subsessiles, rachide flexuosa, trigona, facie florem versus 



