2 
CIX. XYCTAGIN£^. 
[Boerhaavia. 
Penang, Tanjong; Batu Feringhi (Curtis). Lankawi, Kwala 
Malacca. Patalung (Annandale). Distrib. All the tropics. 
(2) B. repanda Willd. Sp. PI. i. 22. 
Rhizome stout, woody; a straggling even scandent herb, 2 to 6 ft. 
long. Leaves triangular acute, ovate or repand-sinuate, 1 to 3 in. 
long, 1 to 1-5 in. wide ; petioles slender, -25 to *5 in. long. Perianth 
•25 in. long, rose pink. Stamens long-exsert. Fruit sub-clavate 
glandular. Hab. Perlis, Chupeng at the mouth of a cave. Distrib. 
India to Burma. 
2. PISONIA, Linn. 
Trees or shrubs, armed or not. Leaves opposite, alternate or 
whorled. Flowers green or white in corymbose cymes, usually 
unisexual. Perianth, male funnel-shaped, female tubular, 5- to 
10-toothed. Stamens exsert, 6 to 10. Ovary sessile. Fruit 
enclosed in the perianth-tube, cylindric or clubbed, sticky. 
Species 60, tropics generally, chiefly maritime. 
P. alba Span, the lettuce tree is often cultivated near the sea 
for its bright yellowish-green foliage. Native of the Andamans. 
Armed climber; cymes dense . . . . (1) P. aculeata 
Tree, unarmed; flowers panicled . . . . . (2) P. excelsa 
