156 THE FLORA OF SINGAPORE. 
D. subula‘um Wook. fil, A small tufted plant, flowers white 
with pink veins. Bukit Timah, Bukit Mandai, Selitar. 
D. acerovum Lindl. Common, Kranji. 
D. 
~ 
flecile Ridl. Rare, Bukit Timah. 
D. (Sect. Virgaiw) conosta'ix Rchb.f. Terrestrial, growing in 
water, with slender erect stems grassy leaves and small 
brown flowers. ‘* Rumput Raja Sari.” Changi, Bukit 
Mandai. 
D. villosu'um Wall. Like the last but hairy. On leaves in dry 
woods, Bajau, Sungei Buloh, Kranji. 
D, (Sect. Bambusaefoliv) gemel‘um Lindl. Epiphyte with long 
slender stems and pale yellow flowers. Common in man- 
grove swamps. 
DD, 
~ 
pensile Ridl. A very curious plant with long hanging stems, 
fleshy leaves and yellow flowers in pairs. Mangroves, 
Selitar. 
D. (Sect. cliwata) tuberiferum Wook, fil. Rare, Selitar, Toas. 
D. crumenatun Sw. The “pigeon orchid.” Very common 
all over Singapore. 
D, (Sect. distichophylla) bifarium Lindl. A small plant with pale 
yellowish white flowers. Not rare, Tanglin, Toas, Seli- 
tar, Serangoon. 
i 
~ 
. pandanett Ridl. A curious plant with long creeping stems 
and grassy leaves, flowers fawn color and white. It 
always grows on Pandans, or Sagos, or Coconut palms, 
climbing up the stems. Bukit Mandai, Jurong. 
D, (Sect. breriflores) caliibotrys Ridl.* A pretty plant with bun- 
ches of white flowers with a red and yellow lip, sweet 
scented. Rare, Toas, Sungei Morai. 
D. eushlebium Rchb. f. Mangrove swamps, Kranji, Seli.ar, Toas. 
D. flavidu'wn Rill. A tall slender plant with yellow or whitish 
flowers. Kranji, Jurong. Mangrove swamps. 
