Diodia ,] 
LXXIV. RUBIACE/E. 
175 
Malacca, Alor Gajah (Griffith). Perak, Tapa; Ulu Temengoh 
(Ridley). Distrib, South America, Banca, Java, Sumatra, 
Borneo. 
Our form has smaller fruit than the South American one usually has. 
66 . BORRERIA, Meyer. 
Herbs with 4-angled branches. Leaves usually rather narrow. 
Stipules connate into a tube with bristles on the edge. Flowers 
small, white or pink in small axillary heads sometimes with bristles 
mixed with the flowers. Calyx ovoid with 2 or 4 teeth, usually 
persistent in fruit. Corolla salver-shaped with a short or long 
tube, lobes 4, valvate. Stamens 4 in the throat. Ovary 2-celled, 
with one ovule in each cell; style filiform. Stigma bifid. Fruit 
of 2 crustaceous cocci dehiscing on the inner face. Seeds oblong, 
grooved ventrally. Species about 150. Tropical weeds. 
Calyx lobes 4. 
Large fleshy herb; fruit hairy, lobes deciduous; 
flowers white . . . . . . (1) B. latifolia 
Ascending herb; leaves coriaceous; corolla long- 
tubed, pink; fruit small hairy with 4 very short 
points . . . . . . . {2) B. hispida 
Calyx lobes 2. 
Tall erect plants; capsule glabrous; flowers white. 
Leaves sub-coriaceous; calyx-lobes short, caducous 
in fruit.. . . (3) B. lsevieaulis 
Slender plants; leaves thin; nerves conspicuous; 
calyx teeth persistent. 
Stems ciliate along edges; leaves glabrous . . (4) B. pilulifera 
Stems glabrous; leaves sprinkled with hairs . . (5) B. parviceps 
Short plant 3 to 6 in. tall; leaves fleshy; nerves 
invisible; flowers very small, white . . (6) B. setidens 
(1) B. latifolia Schum. in Mart. FI. Braz. vi. 63. Diodia 
sarmentosa Ridl. Journ. Roy. /Is. Soc. S. Br. 73, p. 145, not of 
Swartz. 
Fleshy herb branched, 2 ft. tall or less. Stems 4-angled, 
winged, edges crisped above. Leaves obovate acute, base narrow, 
2 to 4 in. long, 1 to 1-25 in. wide, hairy on both sides; petioles 
•25 in. long (upper leaves smaller). Stipules with many bristles. 
Flowers in axillary heads *25 to -5 in. through and often one 
terminal one. Calyx lobes 4, short, lanceolate, hairy. Corolla 
•8 in. long, white, tipped with lilac. Fruit sub-globose, sepals 
usually caducous, hairy; cocci *i in. long. Seeds solitary, oblong, 
brown smooth. Hob. Sandy open spots, Singapore, Tanglin; 
Tanjong Katong beneath coconuts. This plant first appeared 
in 1915. Distrib. West Indies and South America. 
(2) B. hispida Schum. Pfianzenfamilien, iv. 144. Spermacoce 
hispida Linn. Sft. PI. 102; King, l.c. 93. 
A rough viscid diffuse, wiry herb about a foot long, hairy. Leaves 
sub-coriaceous, obovate or oblong, blunt and narrowed to the 
