THE FLORA OF SINGAPORE, 91 
as water-vines, supplying an excellent clear water, to ob- 
tain which it is only necessary to cut the stem through 
at one blow of a parang, as high as can be reached and 
then cut through it again about three feet below, when 
the water will drip rapidly from the cut portion. A 
piece 3 feet long cut like this will give about half a pint 
of water. The flowers are produced in balls two inches 
or more through, and are usually green and reddish. 
The fruits are capsules, with very fine winged seeds. 
U. pedicellata Roxb. ‘“ Akar Sulumbah.” One of the biggest 
species, with very large flowers covered with white silky 
hairs. Common on edges of woods, etc. ‘Tanglin, Bukit 
Timah, Toas, Chan Chu Kang. 
U. pteropoda Miq. ‘Akar Kait-Kait Darat.” A very large 
plant, with broad leaves, stem 4 or 5 inches through. 
Common in woods, Garden jungle, Bukit Timah, Selitar. 
U’. attenuata Korth. “ Akar Kait-Kait Merah.” <A smaller plant, 
the leaves covered with red wool on the back. Not com- 
mon, Bukit Mandai, Bukit Timah Road, 
U. ovata Hook, fil. Rare, Tanglin near the Gardens. 
(U. gambir Roxb. The gambier plant is cultivated and often 
persists long after cultivation has been abandoned. It 
is probably not a native.) 
U. jasminifora Wall. Flowers greenish white. Not com- 
mon, Dalvey Road, Jurong, Selitar. 
U. glabrata De C. Not very common. Bukit Timah, Bukit 
Mandai, Pulau Ubin. 
U. ferrea De C. Chan Chu Kang, Chua Chu Kang. 
U. Roxburghiana Korth. Chua Chu Kang, Bukit Mandai. 
U. dasyoneura Korth. was said to have been collected here 
by Lobb, Probably an error for Penang. 
Coptosapelta flavescens Korth, A climber with sweet greenish 
white flowers. Rare, Chua Chu Kang. 
