THE FLORA OF SINGAPORE. 163 



Podochilas n.icrophyllus Lindl. A small creeping epiphyte with 

 white flowers, on mossy trees, common. Chan Chu Kang, 

 Aug' Mo Kio, Kranji. 



Appendicula bifaria Lindl. Common on trees, Sungei Morai, 

 Kranji, Bukit Timah. 



A. callosa Bl. Very common, Bukit Timah, Sumbawang. 



A. Leivisii Griff. Singapore (Wallich); not seen. 



A. lucida Ridl. Mangrove swamps. Common, Kranji, Chan Chu 

 Kang. 



Thelasis eloivjata Bl. Common, mangroves, Kranji, etc. 



O.rijcuitheva data Hook. f. Mangrjves, common, Kranji, Sungei 

 Buluh. 



0. decurca Hook. fil. Common, mangroves, Serangoon, Selitar, 

 Kranji. 



Gakola. Curious saprophytes with long straggling yellow 

 branches, no leaves, and white or yellow flowers, growing 

 among long grass or over stumps or tree trunks, or 

 even over native huts, • - 



G. altissima Rchb. f. Not common, Chan Chu Kang. 



G. hydra Rchb. f. Krangi, Sungei Buluh. 



Vanilla GriffitJiii Rchb. f. Flowers white, fruit sweet, not 

 vanilla scented. Local. Pulau Ubin. 



Corymhis longiflora Hook. fil. A tall leafy plant about six feet 

 tall with sweet white flowers. Damp woods. Pulau 

 Ubin, Choa Chu Kang. 



Vrydayzynea alhida Bl. A small ground orchid, flowers white. 

 Damp woods. Chan Chu Kang, Bukit Mandai, Choa Chu 

 Kang. 



V. lancifolia Ridl. Local, Bukit Timah. 



V tristriata Ridl. * A very small plant, leaves reddish olive 



