30 Materials for a Flora of the Malayan reninftula. 



Terminal \(>hv imicli bi-oadci- than tlie 

 side lobes. 



Margins waved entire. Oblong i). D. Flahellum. 



'J'riangular, apex broad refuse . . 10. D. rofico-punctatum. 

 Sul)triangu]ar almost bilobed . . l\. D. j/allidifloruni. 

 Of two long nndulate lobes . , 13. D. bifiduni. 

 Terminal lobes lacerate or fim- 

 briate . . . . . . . . 1.''. T). larinioftuni. 



§ 4. Ai'()iu':\[. Stems flattened with 

 disfiehons ensil'orm or trianguhir short 

 leaves, sheaths equitant persisting. Flowers 

 small white yellow or pink, in very short 

 racemes usually covered with numerous 

 brown bracts, lateral. 



^Terminal portion of stem covered wifli 

 sheaths only. 



Flowers very small. 



Lip narrow apex bilobed. Flowers 



white . . . . . . . . 14. D. fierra. 



Lip narrow apex reniform . . 15. D. rhodostclr. 

 Lip apex obovate. Flowers pink 16. D. roseiluni. 



**Stem leafy to the top. Flowers 

 small. 



TiCaves oblong or lanceolate, not 



imbi'i eating. 

 Lip cordate side lobes short blunt. 



midlobe broad \7. D. ntlo/ihofin)!. 



Lip side lol)es long curved, midlol)e 



shorter .. .. .. . . 18. 77. rhizopliorrfi. 



Lip cuneate bilobed. l^eaves ^ 



inch across 10. 7). grande. 



Leaves lanceolate imbricating. 



Lip entire oblong spathulate. 



Bracts numerous . . . . 20. D. atro/nirpinruni. 



Lip entire oblong spathulate. 



Bracts few '^1. D. siniifthtiii. 



Side lobes of lip distinct. Bracts 



very numerous . . . . 22. D. atroruhcns. 



Stem leafy to top, leaves short, flowers 

 large. 



Stems erect or pendulous, lip ob- 

 long entire 2;3. D. Loonis. 



Stems prostate rooting .. .. 2i. I), jn-ostraiinn. 



Stems erect, bracts one oi' two, lip 



bilobed .. .. .. .. 2^). D, leriiiliiah. 



