APOSTASIACEH OF THE MALAY PENINSULA. 251 
Hab. Perak: Scortechini. 
Pahang: Tahan River Woods? (a fruiting specimen 
only.) 
This seems most to resemble D. acerosum, Lindl., but the 
mentum is very narrow and acute. 
Denprosiom (§ Srroncyne) suBuLarum, Hook. f., Fl. Brit. 
Ind., v. p. 726. 
Hab. Singapore: Bukit Timah! Bukit Mandai! Selitar! 
Penang: Western Road, C. Curtis! 
Rhio: Native collector ! 
Also Sumatra: Djambi! 
A small tufted plant with semi-transparent whitish flowers 
veined with pink, the lip white with a central orange spot. 
D. (§ Stroncyig) acerosum, Lindl., Bot. Reg. (1841) Misc.,p.43. 
Hab. Singapore: Kranji! Common on trees and bushes. 
Johore: Kwala Kahang, Kwala Sembrong, Lake and 
Kelsall! Tanah Runto! 
Pahang: Kwala Pahang ! 
Penang: Near the town, C. Curtis! 
Rhio ! 
Siam: Bangtaphan, Dr. Keith! 
D. (§ Srronayie) FLEXILE, Pidl., sp. nova. Caules plures, 
usque ad 3 poll. longi, tenues, gracillimi, flexuosi, pendnli. 
Folia ? poll. longa, teretia, acuminata acuta, ad caulem ad- 
pressa. Flores subterminales, 3 poll. longi, penduli. Sepalum 
posticum parvum lanceolatum acutum, lateralia ovato-trian- 
gularia acuta; mentum multo majus, latum, obtusum, curvum. 
Petala parva, linearia, alba. Labellum album, macula in medio 
aurantiacé; unguis linearis; lamina lata, obovato-rotundata, 
apice obscure 3-loba, in margine denticulata. 
Hab. Singapore: Bukit Tinah! 
Pulau Aor: East corner of Johore, Feilding ! 
The smallest plant of the section that I have seen, with 
flowers nearly as large as those of D. subulatum, Hook. f. 
D. (§ Vircarm) conostattx, Reichb., f., in Walp. Ann., vi. 
p- 292. D. calcaratum, Lindl., Bot. Reg. (1840) Misce., p. 89. 
Hab. Singapore: Changi! Bukit Mandai! Tampinis! 
Malacca: Bukit Bruang! 
This inconspicuous slender plant almost always grows in 
shallow water. It is called “ Rumput Raja,” Sari, in Malacca. 
