P.TIOMAN, 
Dioscorea piscatorum, grain and Burkill 
Joara Bay at sealevel, Burkill 993; Bukit Sukak c.300 ft.J 
Sedagong c.1000 ft., Henderson 18555, 18899* Hot common 
in the Peninsula in forest, hut widespread. Sumatra. 
Dioscorea pyrifolia, Kunth . P.TIOMAN, 
Joara Bay at sealevel, Burkill s.n. 
Common in the Peninsula. Camhodia, '.".Malaysia. 
R0XBURGHIACEA1 
Stemona•tuherosa, Lou r. P.TINGGI, Burkill 858, 
P.TIOMAN, south of Joara Bay, Burkill s.n.; Tanjong Saik, 
Henderson 18488. Common in the north of the Peninsula. Sion, 
Cochin-China. 
'#1 jflL 
LILIACEAE 
Dianella ensifolia, Redoute P.TINGGI, Pulau 
t i 
Mangel, Burkill s.n. Common in the peninsula near thesea 
and in forest. Indo-Australia, Mascarene Islands. 
Dracaena Porteri, Baker P.TIOMAH, Tanjong Layer, 
Henderson 18479. Common in the Peninsula in the lowlands. 
Siam. 
Dracaena, umbratica, Ridl . P.TIC'AN, path across 
island. Burkill s.n. Common in lowland forest. Endemic. 
7 
Smilax calophylla, Wall . P.TIOMAH, Gumong Bokam 
c.2700 ft., Henderson 18815. Common in the Peninsula in 
forest. Sumatra. 
C OMM&LI MAC E AS 
4 
Pollia thyrsiflora, Endl . P.TIOMAN, Joara Bay 
on the sandflat, Burkill s.n.; Tanah Hunfco c.1500 ft., 
Henderson 18879, 18885. Common in the Peninsula in forest. 
Malaysia. 
