496 XLII. SAPINDACE^. [OtOphOYCL. 
(4) O. erythrocalyx Hiern, in Hook . fil. F.B.I. 680; King, 
l.c. 430. 
Small glabrous tree. Leaves 30 to 45 in. long; leaflets 14 to 
19, coriaceous elliptic-oblong, shortly cuspidate, base cuneate, 
reticulate; nerves 10 to 13 pairs prominent beneath, 5 to 8 in. 
long, i‘5 to 3 in. wide; petiolules -4 in. long. Stipules ovate, 
3‘5in.long. Panicles 18 to 30 in. long, lax much-branched; pedicels 
slender. Flowers *15 to *2 in. long. Sepals red, 5. Petals 5, 
pale rose. Stamens 8, hairy. Fruit ovoid trigonous 1-5 in. 
through. Hub. Forests, local, Malacca (Maingay); Selandor 
(Derry); Ayer Panas (Goodenough). 
9. TRISTIRA, Radik. 
Trees. Leaves pinnate. Flowers panicled, terminal numerous, 
usually unisexual. Sepals 4, ovate. Petals o. Stamens short 
not exsert, 5 to 7, Disc irregularly lobed not unilateral. Ovary 
conic triquetrous narrowed to top with three sessile stigmas. Fruit 
triquetrous. Species 3 or 4, Malay islands. 
(1) T. penangensis Ridl. Journ. Roy. As. Soc. S. By. 82, p. 181. 
Large tree. Leaves paripinnate 7 in. long; leaflets 2 or 3 pairs 
chartaceous oblong blunt, glabrous, base shortly cuneate or round, 
3 to 5 in. long, 2 to 2*5 in. wide; petiolules *25 in. long; petioles 
3 in. long. Panicle terminal lax, 8 in. long; branches remote, 
lowest 2 in. long. Flowers numerous in small fascicles on branches 
pubescent; pedicels -i in. long densely velvety-pubescent. Sepals 4, 
ovate woolly pubescent outside. Petals o. Stamens short not 
exsert in female, with short filaments, in male flowers filaments 
long slender; anther-cells separate. Disc irregularly lobed not 
unilateral. Ovary triquetrous densely hairy. Stigmas 3, sessile 
on the narrowed tip of the ovary. Hab. Penang Hill at 1200 ft. 
altitude (Curtis). Negri Sembilan, Port Dickson (Foxworthy). 
This plant is doubtful, as I have not seen the fruit, and it differs in 
general appearance from the rest of the genus. It has the habit of Enoglos - 
sum, but in many respects resembles Lepisanthes. 
10. XEROSPERMUM, Bl. 
Trees with the habit of Nephelium. Leaves alternate pinnate; 
leaflets entire. Racemes axillary and terminal. Flowers regular 
small white. Sepals 4 or 5 imbricate in 2 rows. Petals 4 or 5 
spathulate about as long, no scales. Stamens 8 or 7, within the 
annular glabrous disc. Ovary bilobed muricate 2-celled; ovules 
solitary; style short, thick. Stigma hairy. Fruit 1- or 2-lobed 
muricate with pyramidal tubercles or simply rough. Seed 1 with 
a thin acid pulp. Species 6, Malayan. 
Petals 5; leaflets one pair. 
Sepals 4.(1) X. lsevigatum 
Sepals 5.(2) X. unijugum 
