Materials for a Flora of the Malayan Peninsula. 



31 



§ 5. Strongyle. Stems slender not 

 swollen, leaves terete or slightly flattened. 

 Flowers 3 or 3 together from the axils of the 

 leafless terminal portions of the stem, white 

 often veined pink. 



•straight . . 

 Stem short 3 inches, leaves f inch 



long terete erect 

 Stem 4 inclies long, leaves thick 

 terete over a foot long . . 



Leaves flattened narrow short 

 Leaves very sliort numerous 

 recurved 



§ 6. ViKGATAE. Often terrestrial stems 

 slender leafy erect, leaves narrow unequally 

 bilobed. Flowers small in pairs from the 

 upper parts of the sheaths. 



Terrestrial, sheaths glabrous when 



adult 

 Sheaths covered with black pu- 

 bescence 

 Epiphytic, sheatlis short glabrous 



§ 7. BajMBUsaefoliae. Epiphytic, 

 stems tall erect or pendulous, covered thickly 

 with linear to ovate lanceolate leaves. 

 FloAvors in pairs from an internode, with 

 one or more large ovate bracts, yellow un- 

 expanded. Mentum sliort curved. 



Stems erect, leaves linear lanceolate 



thin 

 Stems pendulous leaves ovate lan- 

 ceolate fleshy 



§ 8. Distichophyllae. Stems tufted, 

 rarely scattered on a creeping rhizome, 

 grooved, leafy. Leaves lanceolate bifid, cori- 

 aceous or thin. Flowers one or few on ax- 

 illary racemes mediocre or small, petals and 

 sepals reflexed. Mentum sti'aight, horizon- 

 tal spur like, lip unusually broad. 

 Stems tufted. 



Lip entire fleshy, flowers small 

 Lip 3-lobed emarginate 

 Lip 3-lobed bilobed 

 Lip 3-lobed oblong lateral lobes 

 broad . . . . . , 



26. D. teres. 



27. 7). fJexile. 



28. D. I'entropliyllum. 



29. D. acerosiim. 



30. D. suhulaiiiin. 



3L D. conostalix. 



32. D. viUosulum. 



33. D. pacliyglossiim. 



34. D. gemelluni. 



35. D. pensile. 



36. D. hifarium. 



37. D. Hosei. 



38. D. revolutum. 



39. D. iiniflornm. 



