THE FLORA OF SINGAPORE 179 
but rarely to |e met with in flower, Bukit Timah, Chan 
Chu Kang. 
Se. hederacea Schott. Climber. Common thick woods, Bukit 
Timah, Sungei Buluh, Sungei Tengeh, Chua Chu Kane, 
Bidadari. 
Raphilphora Lobbii Schott. Woods, Bukit Timah. 
Rh. minor Hook, fil. Rire, Toas, 
PR. graci'ipes Wook. f.? Rare, Chan Chu Kane. 
Epiprennum gigantium Schott. A strong creeper, with very 
large leathery leaves on trees and stumps common, Chan 
Chu Kang, Bedoh, Sungei Blukane. 
Lasia heterophylla Schott. Tidal mud, also inland on muddy 
strean banks. Chua Cliu Kang. 
Cyrtosperma lasivides Griff. Common in marshes. Tanglin, Ju- 
rong, Chan Chu Kang, Bukit Mandai. 
Pothos Curtis? Mook, f. Ciimbirge on trees, Bukit Mandai, Kian- 
i. 
(Acorus Ca'amus L. © Deringu” cultivated and occuring as an 
escape. It rarely flowers here, but | found it in flower 
in June 1809.) 
LEMNACER. 
Lemna pauicostata Uegelm. Ditches, Tanglin, Galang, ete. 
L. polyvhiza, Ditches, Tanglin. 
L. sp. near L, trisulcu, L. Galang, 
Wolfia arhiza Wimm, Ditches, Alexandra road. 
TRIURIDE. 
Sciaphi’a affinis Bece. A minute slender plant pink with violet 
fruits. Not rare, dense jungle among dead leaves. Bukit 
