Materials for a Flora of the MaJarjan Peninsula. 



15 



petiole purple ^ an inch long. Scapes one or two on a stem, slender, 

 6-8 inches long, half or more nude. Flowers verj'^ small scattered. 

 Bracts linear acuminate recurved. Sepals lorate o])tuse purplish. 

 Petals a little smaller. Lip ovate with large lorate obtuse auricles 

 bright yellow, teeth four short acute ones and a larger median obtuse 

 one. Column green arms rounded. Capsule oblong erect ^ inch 

 long. 



Damp forests, Singapore: Changi (Eidley 3925), Seletar, etc.; 

 Johor: Batu Pahat, (Ridley) ; Malacca: (E. Derry) ; Perak: (Scorte- 

 chini), Larut Hills at 4,000 feet (Herveyj. Distrib. Borneo. 



2. Obeeonia, Lindl. 



Small epiphytes, with a very short or moderately long stem, 

 covered with distichous equitant leaves narrow fleshy. Spike ter- 

 minal slender covered with minute green yellow or red flowers. 

 Bracts short oblong often toothed. Petals and sepals ovate reflexed. 

 Lip entire or lobed with a circular nectariferous depression at base. 

 Column very short, arms short. Anther ovate. Pollinia 4 adhering 

 by a viscid disc. Capsule globose or elliptic. 



About 60 species, Indo-Malayan, with a few in Africa and the 

 Mascarene Islands, Australia, Polynesia and Japan. 



§ 1, AcAULEs, stemless. 



Lip entire flat ovate 



,, triangular oblong 



Lip concave emarginate 



Lip bilobed denticulate 

 Lip oblong bifid 



Lip 3 lobed. 



Ehizome long creeping 

 Not rhizomatous. 

 Margins of lip entire 

 Lateral lobes toothed 



Lip 4 lobed. 



Lateral lobes short entire . . 

 Lateral lobes fimbriate 



Caulesce^jtes. Stem elongate. 

 Lip oblong retuse not toothed 

 Lip denticulate. Petals entire. 

 Lip base narrow apex bilobed 

 Lip broad base with large auricles 



1. 0. Janata. 



2. 0. Prainiana. 



3. 0. suhnavicitlaris. 



4. 0. iridifolia. 



5. 0. (jraciUima. 



6. 0. Scortechinii. 



7. 0. rosea. 



8. 0. stenopliylla. 



9. 0. aurantiaca. 



10. 0. insectifera. 



11. 0. anceps. 



12. 0. miniata. 



13. 0. porphyrocliila. 



