Materials for a Flora of the Malayan Peninsula. 43 



more than twice as long as the dorsal sepal stout incurved, narrowed 

 at the apex. Lip spathulate bilobed with long claw, no side lobes. 

 Capsule pja-iform on a slender pedicel ^ inch long. 



Perak (Scortechini) ; Pahang: Tahan Eiver (Eidley). Endemic. 



29. D. ACEROSUM, Lindl., Bot. Peg. 1841, Misc. 86. Stems 

 numerous slender flexuous, 12 to 15 inches long. Leaves recurved 

 laterally flattened linear, pungent 1 to 1^ inch long -J inch wide, 

 sheaths ^ inch long, mouth with a black ring. Flowers | inch long 

 solitary from the internodes of the leafless portion of the stem. 

 Bracts ovate lanceolate small. Dorsal sepal lanceolate very small 

 laterals triangular blunt spreading. Mentum stout obtuse twice as 

 long as the dorsal sepal. Petals narrower linear. x411 cream colour 

 with or without pink veins. Lip spreading obcuneate obovate, apex 

 crisped bilobed white with a thickened central bar with a yellow tip. 

 Column very short, arms rounded obscure. Hook. fil. Fl. Brit, Ind. 

 V. 726. Aporum subteres Griff. Calc. Journ. Xat. Hist. V. 371. 



Singapore: Kranji, Changi (Eidley); Jolior: Kwala Kahang 

 (Kelsall 4036), Tana Eunto (Eidley); Pahang: Pekan (Eidley 

 1561) ; Malacca (Griffith) ; Penang. Distrib. Tenasserim, Siam, 

 Sumatra, Borneo. 



30. D.suBULATUM, Hook. fil. Fl. Bit. Ind. V. 726. Stems tufted 

 numerous 2 to 6 inches long slender. Leaves narrow pungent slightly 

 flattened recurved ^ inch long, sheaths narrowly |- inch long. Flowers 

 solitary from the axils of the sheaths of the leafless portion nearly ^ 

 an inch long, pedicels slender ^ inch long. Upper sepal small lanceo- 

 late blunt laterals triangular acute, mentum twice as long curved ob- 

 tuse, all white with pink veins. Petals linear. Lip oblong truncate 

 apex broad shortly 3 lobed, white with a yellow spot at the tip. Co- 

 lumn short. Podockilus bicoJor Miq. Choix. t. 22, f. 3. 



Singapore: Bukit Timah, Kranji, etc., Eidley) ; Johor; Selangor : 

 Batu Caves, Kuala Lunipor (Eidley); Perak Scortechini); Penang: 

 Western Eoad (Curtis 2408). Distrib. Ehio, Borneo, Java. 



§6. ViRGATAE. 



31. D. coNOSTALix, Echb. fil. Walp. Ann. VI. p. 292. Terrestrial 

 one to 2 feet tall, stems few wiry terete. Leaves narrow linear apex 

 unequally bilobed, stiff, three inches long I inch wide, sheaths 1^ inch 

 long hispidulous. Flowers one or two together from the axils of the 

 leaves, pendulous ^ inch long. Bracts small ovate. Dorsal sepal 

 ovate green with three olive streaks, laterals rather larger more acute. 

 Mentum very long straight blunt. Lip base narrow yellowish white 

 laterals lobes short acute tooth-like, midlobe rounded thick refuse. 

 Column short thick dilate at base, arms erect tooth-like. Capsule one 

 inch long elliptic pendulous on a pedicel ^ inch long. Hook. fil. Fl. 



