352 
Flora of the Malayan Peninsula. 
6. Torenia, Linn. 
Herbs, glabrous or pubescent. Leaves opposite, entire or crenate or 
serrate. Floivers often showy, axillary, or in terminal or pseudo-axillary 
racemes or umbels ; bracteoles 0. Calyx 2-lipped or 3-5-toothed, 
3-5-keeled or -winged or -folded. Corolla 2-lipped ; upper lip outmost 
erect, concave or pinched, notched or 2-fid ; lower larger spreading, 
3-lobed; tube cylindric, somewhat curved, dilated upwards. Stamens 
4, didynamous ; upper pair included inserted on corolla-tube ; lower 
inserted on throat, appendaged or not at base, and connivent under 
upper lip ; anthers contiguous or connate in pairs, cells often confluent. 
Ovary 2-celled ; ovules in each cell numerous ; style slender ; stigma 
2-lamellate. Fruit a linear or oblong, included septicidal capsule ; 
valves separating from the placentiferous septum. Seeds many, rugose 
or cancellate. — Distrib. Species 20, Tropical Asiatic and African, one 
American. 
Calyx very distinctly winged : — 
Fruiting calyx sub-orbicular, as broad as long ; stems prostrate 
and rooting .. .. .. .. 1. polygonoides. 
Fruiting calyx longer than broad ; stems erect : — 
Wings broad distinctly decurrent on the pedicels ; corolla 
very little exserted ; bracteoles very small ; pedicels shorter 
than the calyx . . . . . . . . 2. T. pedimcularis. 
Wings narrow hardly decurrent on the pedicels ; corolla 
distinctly exserted ; bracteoles large ; pedicels as long as or 
longer than the calyx .. .. .. ..3. T. ciliata. 
Calyx hardly or not at all winged : — 
Flowers all axillary : — 
Stems and leaves glabrous ; calyx deeply lobed, faintly 
winged . . . . . . . . . . 4. T. asiatica. 
Stems and leaves hirsute ; calyx wingless, shortly lobed . . 5. T. Bentliamiana. 
Flowers in terminal racemes ; stems and leaves hirsute ; calyx 
wingless, shortly lobed . . . . . . . . 6. T. flava. 
1. Torenia polygonoides, Benth. Scroph. Ind. 39. A slender strag- 
gling herb ; branches 6 to 12 in. long, decumbent and often rooting at 
the nodes ; all parts glabrous. Leaves orbicular-ovate, serrate ; lamina 
■4 to '5 in. long, -35 to -45 in. wide, apex acute or sub-acute, base 
cuneate ; petiole slender, '25 in. long. Flowers axillary on 2-4-flowered 
peduncles ; pedicels -25 in. long, slender ; bracteoles minute. Calyx 
tubular with very wide wings, in fruit sub-orbicular - 3 in. in diam. 
Corolla -35 in. long, white or white and pink, distinctly exserted. 
DC. Prod. X. 409 ; Miq. PI or. Ind. Bat. II. 688 ; Hook. f. Plor. Brit. 
Ind. IV. 276. T. cardiosepala, Benth. in DC. Prod. X. 409. Ilerpestis 
polygonoides, Benth. in Wall. Cat. 3897. 
