^ 27 - 



ad lanceolatum, siibacutiiin, apiciilatum, angulato-concavum cum lateribus 

 convexis, carinatiim, c.3. 1—3.5 cm. lon^^^um, 1.1 cm.latiim Sepala lateralia 

 pateiitissima, divergeiitia, oblique oblonga vellanceolata, acuta, subfalcatula, 

 aiigiilato-canaliculata ciini iateribiis convexis, marginibus proximis inferne» 

 parce uiuiulata, dorso valde alato-cariiiata, carina apice prodiicta, c. 3 3.2 

 cm. loiiga, 1—0.9 cm. lata. Petala pateiitissima, apice iiicurviila, oblique 

 lanceolata. acuta, 1/4 parte iiiferiore lineari-unguicuiato-contracta et 

 augulato-caiiaiiculata cum latoribus convexis, parte superiore obtusangule 

 concava, dorso oinniiio obtusangule convexa cum sulco lorigitudii)ali, 3nervia, 

 c. 2 9—3.3 cm. loiiga. ungue 0.2 cm., lamina 0.7 cm. lata. Labellum erectum, 

 31obum, concavum, hypochylio subtus concavum, basi utrinque plicatnm et 

 citrinum, costis 3 basi inconspicuis approximatis et flavis, exterioiibus supra ba- 

 sin altissimis applicatis altis et puberuiis, deinde paulo humilioribus erectis 

 simplicibus glabris pallide viridibus, in ungue lobi intermedii humilibus cinna- 

 momeisque, in lamina lobi intermedii in incrassationes 2 conspicuas pulvinifor- 

 mes longitudinales convexas vix rugulosas pallide flavescentes excurrentibus, 

 Costa tertia intermedia inconspicua, in basi lobi intermedii obsoleta, usque 

 ad apicem labelli producta, costula inconspicua convexa vix rugulosa utrin- 

 que in basi lobi intermedii addita, subtus longitudinaiiter sulcatum, explana- 

 tu.n ambitu triangulo-ovatum, c. 2.4— 2.6 cm., usquead apicem loborum late- 

 ralium 1.45 cm. iongum, supra basin 2.1 cm. latum; lobi latérales erecti, gyno- 

 stemio paulo breviores, concavuli, trapeziformes, parte antica libéra late 

 triaiigula obtusa margine recurvulo convexa c. 0.33 cm. longa, albi, intus 

 striis 6—8 cinnamomeis notati, margine antico utrinque cinnamomei, extus 

 albi, apice margine excepf; cinnamomei; lobus intermedius plus minusve 

 recurvus, undulatus, convexus, subtus concavus, e basi brevissime unguiculata 

 aequilateraliter trapeziformis, apice breviter rotundato-bilobus cum dente 

 triangulo brevi plus minusve conspicuo in sinu, flavescens, 2/5 partibus 

 inferioribus disci cinnamomeus, macula cinnamomea ante pulvinos inter 

 eos decurrente, margine breviter radiato-cinnamomeo-striatus, macula fusca 

 subtus utrinque ad basin, c. 1.3-1.4 c. longus, 1.25—1.35 cm. latus, ungue 

 0.65 cm, lato. Gynostemium cum ovario angulum obtusum faciens, in V4 

 parte supra basin obtusangule incurvum, superne angustius alatum, dorso 

 convexum, subtus concavum, apice subanguiato-rotundatum, laete dilute 

 viride, subtus ad basin fusco-notatum, e. 1.75 cm. longum, clinandrio con- 

 cavo. Anthera cucullata, apice vix obtuse producta, dilute viridis, c. 0.26 cm. 

 lata. Pollinia 4, oblongo-triangula, antica subobov^a, subfalcata, ochracea, 

 cum glandula c. 0.25 cm. longa. Rostellum late rotundatum, convexum. 

 Stigma semiovale, margine inferiore valde elevato reverso rotundato. Ova- 

 rium erectum, 6sulcatum, nitide olivaceum, apice fuscum, furfuraceo-puncta- 

 tum, c. 0.75 — 1.1 cm. longum; pedicellus teres, pallide viridis, c. 3.3 cm. longus. 



Bornéo: Landak, Soengei Menjoeke. (C. 0. Gravenhorst 1917, cuit, in 

 Hort. J. J. Smith. Buitenzorg). 



A near ally of C. peltastes RCHB. F. but witli smaller differently co- 

 loured flowers and the lip broader with nearly smooth keels. The pseu- 



