Ventilago.] XL. rhamne^e. 467 
and river-banks common. Singapore (Cantley); Garden Jungle. 
Malacca (Maingay); Ayer Panas (Goodenough). Perak, Larut 
(Kunstler). Penang, Telok Bahang; Chalet (Curtis). Distrib. 
Borneo. Native names : Akar Hitam; Akar Tukus. 
(2) V. gladiata Pierre , FI. For. Cochinchine, t. 314c. 
Leaves lanceolate acuminate narrowed to the base, membranous, 
edge minutely serrulate; nerves 6 pairs; nervules conspicuous 
transverse, 2'6 to 3-3 in. long, 1 to i*i in. wide; petioles *15 in. 
long. Inflorescence axillary racemose; rachis puberulous. Cymes 
small. Fruit glabrous; pedicel *i in. long, nut *2 in. long round 
enclosed for three-quarters its J^ngth in the enlarged calyx, narrowed 
at the base to the pedicel; wing lanceolate narrow to the base and 
acute at tip 2*5 in. long, *4 in. wide. Hob. Perak, Sungei Larut 
(Wray). Distrib. Cambodia. 
The flowers are unknown. 
(3) V. Maingayi Lawson, l.c. i. 631; King, l.c. 379. 
Young branches and panicles softly hairy. Leaves thinly 
coriaceous drying pale glabrous oblong to lanceolate blunt entire, 
base shortly narrowed and rounded; nerves 8 to n pairs; trans¬ 
verse nervules visible on both sides, 2-5 to 4-5 in. long, 1-25 to 
i‘75 in. wide; petioles *1 to '2 in. long. Panicles narrow lax 
8 in. long; branches slender. Flowers 'i in. wide, glabrous solitary 
or in threes; pedicels as long as flowers puberulous at base. Bracts 
very small pubescent. Calyx short goblet-shaped, lobes acute. 
Petals deeply bilobed spathulate, lobes truncate. Ovary glabrous. 
Fruit glabrous; nut *25 in. long; wing i-nerved blunt mottled 
red, 3 to 3‘5 in. long; calyx flat, not covering nut. Hab. Edges 
of forest and river-banks. Malacca (Maingay); Sungei Hudang 
(Derry). Pahang, Temerloh. Negri Sembilan, Tampin Hill. 
Perak (Scortechini). Penang Hill (Haniff). Lankawi, Pulau Segai. 
Native names : Akar Kamagan Antan; Kutapek. 
( 4 ) V. oblongifolia Bl. Bijdr. 1144. Smythea macrocarpa 
var. pubescens King, l.c. 382. 
Stout climber. Leaves lanceolate gradually acuminate acute, 
base rounded usually oblique, serrate, membranous, glabrous on 
both sides or tomentose beneath; nerves 7 to 9 pairs strongly 
elevate beneath, 4 to 4-5 in. long, 1*5 to 175 in. wide; petioles 
very short *1 in. or less. Inflorescence axillary or terminal, rachis 
stout tomentose; branches 4 in. long with distant cymules. Flower- 
pedicels ’i in. long. Fruit glabrous; nut *2 in. long ovoid; calyx 
small not enclosing it, *i in. long, *5 in. wide; wing linear-oblong, 
blunt, slightly narrowed at base, 5 in. long, *6 in. wide. Hab. 
Thickets and woods. Selangor, Batu Caves. Perak, Waterfall 
Hill (Wray, Scortechini). Distrib. Java, Philippines. 
( 5 ) V. velutina Ridl. Smythea macrocarpa var. pubescens 
King, in 'part. 
