ORCHIDACEiE 



nonnullis, conspicuis supra et subtus ornata. Petiolus distinctus. 

 Inflorescentia synantha. Pedunculus vaginis nonnullis, distichis, 

 imbricantibus in parte inferiorevestitus, usque ad inflorescentiam 

 nudus, gracilis, lepidotus. Rachis arcuata, lepidota,bracteis paucis 

 imbricantibus infundibuliformibus sterilibus subtenta. Bracteae 

 rotundato-ovatae, apice late rotundatae, rigidae, nervosae, persis- 

 tentes,reflexae. Sepala basi reflexo-saccata praedita. Sepala later- 

 alia lanceolata, cymbiformia, valde carinata, obtusa, mucronata. 

 Sepalum dorsale simile, apice late obtusum, carina conspicua 

 prope basim solum ornatum. Petala anguste linearia, e basi sen- 

 sim acuminata, uninervia. Labellum in circuitu lanceolatum, 

 in hypochilium et epichilium conspicue divisum; hypochilium 

 gynostemio parallelum, quadrangulare, marginibus anterioribus 

 praeter in medio truncatis revolutis incrassatis; epichilium ob- 

 lanceolatum, prope apicem subito acuminatum vel acutum, tri- 

 nervium. Gynostemium arcuatum, basi tuberculatum, in parte 

 superiore late alatum ; ala trilobata. 



Rhizome thick and woody. Roots rather numerous, long, flex- 

 uous, fibrous, very sparsely branching, finely papillose, ±1.5 mm. 

 thick. Pseudobulb about 6 cm. long, 5 mm. wide the entire length 

 (when dry and split), diphyllous, narrowly cylindric, coarsely sul- 

 cate, dull, yellow-greenish. Leaves about 11 cm. long, 2.5 cm. 

 wide in the middle, oblong-elliptic, rounded at the apex, cuneate 

 at the base, coriaceous, with three to five nerves prominent on 

 both surfaces, especially the mid-rib. Petiole well defined, about 

 4 cm. long. Flower shoot synanthous. Peduncle up to the inflo- 

 rescence about 10 cm. tall, clothed for more than half the distance 

 from the base with about nine distichously imbricating, triangu- 

 lar-lanceolate, nervose sheaths, above naked, slender, lepidote. 

 Rachis arcuate, about 8.5 cm. long, zigzag, lepidote, subtended 

 by three or four tightly imbricating, infundibuliform, sterile 



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