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pedi gynostemii breviter adnatum, antice 31obum, concavum, 

 album, intus fascia late lineari leviter Scostata in basi lobi 

 intermedii abrupte terminante apice plus minusve dentata et 

 ochracea ornatum, explanatum c. 0.95 cm. longum. ad lobos 

 latérales 0.6 — 0.73 cm. latum ; lobi latérales erecti, subquadranguli, 

 antice truncati. obtusi ; lobus intermedius porrectus. latérales 

 superanSj ambitu quadrangulus, 21obus, undulatus, lobulis obtusis, 

 c. 0.8 — 0.35 cm. longus et latus. Gjmostemium brève, a dorso 

 compressum, album, c. 0.1 — 0.15 cm. longum, filamento snbulato, 

 auriculis triangulis. Anthera cucullata, antice plana et quadrangula, 

 apice papillosa, c. 0.1 cm. lata. Pollinia 4, geminata, oblonga, 

 flavescentia. Pes gynostemii cum ovario angulum rectum faciens, 

 late linearis, apicem versus angustatus, incurvus, concavus, intus 

 Costa longitudinal! infra apicem in glandulam flavam terminante 

 instructus, c. 0.725 — 0.8 cm. longus. Ovarium pedicellatum tenue, 

 albescens, c. 0.5 — 0.7 cm. longum. 



Bornéo: Moeara Tewe. (L. Grootings, liv. pi. cuit, in 

 Hort. Bog.). Soengei Sedalir, 75—200 m. (Expédition for rectification 

 of the frontiers in North-Borneo, Amdjah n. 251 and 293, 

 July 1912). Goenoeng Labang, 75 — 200 m. (Idem, Amdjah n. 

 265, July 1912). 



Yery near D. tenelhim Lndl., but differing in the shorter 

 dorsal sepal and petals, and the lip which is not adnate to the 

 column foot so far upward as in that species. and has a protruded 

 midlobe. The flowers are white, with an ochreous blotch on the 

 lip which is not veined purple. 



Description from living plants. 



llcii(lrol>iiiiii (sect. Rhopalanthe) acaciiToliiiiii .1. J. S. 



n. sp. 



Gaules approximati, elongati, simplices, e basi c. 2.5— 3.5 cm. 

 longa tereti c. 0.225 — 0.38 cm. diam. in pseudobulbum elongatum 

 ex internodiis 2 — 3 (vel II/2— 22/3 etc.) compositum subcylindricum 

 valde longitudinaliter costatum ad nodos constrictum c. 4.5—10 

 cm. longum 0.5 — 0.67 cm. diam. incrassati, supra pseudobulbum 

 compressi, minus conspicue costati, foliati, c. 0.4 — 0.6 (m. lati, 

 superne angustati et folia rudimentaria gerentes, toti ad c. 90 

 cm. longi, parte folia bene evoluta gerente c. 17 — 23 cm. longa, 



