APOSTASIACEZ OF THE MALAY PENINSULA. 219 
[OnrRonta TreuBI, Ridl., sp. nova. Acaulis, pusilla. Folia 
1$ poll. longa, } poll. lata, ensiformia, acuta, carnosa, seepe 
rufescentia. Spica 2-3-poll. longa, ferme omnino flrifera. 
Flores minuti, subverticillati. Bractee cum pedicellis sequi- 
longee, lanceolate, acuminate. Sepala et petala subsimilia, 
subeequalia, ovato-lanceolata, obtusa, pallide rufescentia; sepala 
lateralia deflexa. Labellum 3-lobum, leete rubrum; lobi laterales 
rotundati, medius longior rotundatus obtusus. Coluwmna parva, 
flava. Capsula 3; poll. longa, oblonga. 
Hab. Java; on trees in Buitenzorg Gardens. 
Dr. Treub first sent me this pretty little species; subse- 
quently I saw it in the Buitenzorg Gardens. | 
O. Scorrecuint, Hook. f., Fl. Brit. Ind., v. p. 683. 
Hab. Perak: Scortechini. 
O. insectrFeRA, Hook. f., Ic. Pl., t. 2004. 
Hab. Perak: Larut, King’s Collector. 
Pahang: Tahan River. 
O. tunata, Lindl., Gen. et Sp. Orch., p. 17. 
Hab. Singapore: Selitar! Ona high tree, Ridley (n. 364). 
A very pretty tufted species with innumerable flowers, so 
closely arranged that the red lips alone are visible. 
O. rosra, Hook. f., Ic. Pl., t. 2005. 
Hab. Perak: Gunong Batu Putih, Wray. Larut Hills, 
King’s Collector. 
Sect. 2. Caulescentes. 
O. anceps, Lindl., Sert. Orch., sub t. 8 B. 
Hab. Singapore: Kranji! 
Malacca: Tanjong Kling! (by the sea, on Calophyllum 
and Terminalia Catappa) ; Pengkalan Minyak ! 
Penang: Waterfall Hill! 
Pahang: Passir Loyang! Pahang River mouth! 
Perak: Dindings! 
The commonest species in the peninsula: abundant on trees 
in many parts of the low country. Flowers ochre-yellow. In 
Malacca it is known as ‘‘Sakat Lidah Buaya ”—‘ Crocodile’s 
tongue Orchid,’ and the leaves are made into poultices for 
boils. 
