THE FLORA OF SINGAPORE. 115 



Sthjchnos Tieu'e Bl. " Ipoh Akar." A big climber with small 

 tubular green flowers, fruit large globose gray green 

 wit'i a hard rind, seeds flat, enclosed in a bitter pulp, 



Every part of the plant, even the flowers, is intensely 

 bitter, from the presence of Brucine, nevertheless Dionki.es 

 and musangs often eat the fruit. The bark is used by 

 the Sakais in their dart poison. Common in thick jungle. 

 Garden jungle, Chan Chu Kang. 



S. malaccensis Benth. Not common. Toa c , Garden jungle. 

 S. pubescens Clarke. Bukit Timah. 



Gaertnera Koenigii \\"t. var. oxyphy'la Wall. Singapore (Wal- 

 lich); not seen. 



G. viminea Hook. fil. Small slender shrub, with very small 

 white flowers. Common, Garden jungle, Bukii; Timah, 

 Pulau Ubin, Changi. 



G. obesa Hook. 111. An unbranched erect shrub with dark green 

 leaves and heads of white flowers, berries pale blue. 

 Common in jungles, Tanglin, Selitar, Bukit Arang, Toas, 

 Sungei Buluh, Bukit Timah. 



G. grisea Hook. fil. Not rare, Bukit Timah, Changi, Chan Chu 

 Kang, Sungei Morai. 



GENTIANACE.E. 



Limuanthemum indicum Thw. An aquatic plant with round 

 floating leaves and a tuft of white flowers with a yellow 

 centre. Reservoir. 



BOEAGINEiE. 



Tournefortia Wallichii De C. Climber, flowers green. Thickets, 

 Bukit Panjang, Jurong, Bukit Mandai. 



Heliotropium indicum L. A common weed in waste ground every- 

 where. 



Cordia myxa L. Shrub, Chan Chu Kang, Pasir Panjang. 



