Thunbergia.] cvi. acanthace^e. 555 
Capsule 4 -seeded ; stamens 4. 
Sepals connate half-way . - • • I 7 - Phialacanthus 
Sepals free nearly to base. 
Capsule cylindric at base; seeds in upper 
part. 
One anther-cell below the other; fleshy 
mountain shrubs or herbs . . .18. Filetia 
Anther-cells at equal height . . • 19 - Asystasia 
Capsule conic, 4 seeds near base; stamens 
4; anther-cells parallel . . .20. Lepidagathis 
Capsule 2- to 4 -seeded ; stamens 2. 
Calyx 4-partite to base. 
Flowers showy, yellow or blue . • ,21, Barleria 
Calyx 5-lobed. 
Corolla-tube slender cylindric; lobes sub- 
equal spreading. Showy shrubs or 
shrublets . . . • . 22. Pseuderanthemum 
Capsule 4- or 2 -seeded; stamens 2; corolla 
distinctly 2-lipped; seeds smooth 
hairy. 
Anther-cell 1; corolla large, orange . . 23. Clin acanthus 
Anthers 2-celled; placentas rising elastically 
in capsule and ejecting seeds; one 
anther-cell below the other with 
a white tail; sepals 5. 
Flowers showy in axillary clusters . . 24. Calophanoides 
Flowers in terminal spikes or panicles. 
Shrub; flowers in condensed spikes; 
bracts small , . . • *25. Gendarussa 
Herbs. Flowers in spikes, racemes or 
panicles, small, yellow or white. 
Sepals 5; bracts single . . . 26. Justicia 
Sepals 4. Herb; flowers in dense 
spikes, pink; bracts single . .2 7. Rostellaria 
Sepals 5; slender herbs; flowers in 
dense spikes pink or blue; bracts 2. 28. Rungia 
One anther-cell below the other but not 
tailed. _ 
Upper lip of corolla small, twisted . . 29. Rhinacanthus 
Anther-cells at equal or nearly equal height 
not tailed. 
Corolla under I in. long; bracts small. 
Flowers in lax terminal spikes, yellow . 30. Ptyssiglottis 
Flowers axillaiy, white . . • 3 1 * Polytrema 
Flowers in spike-like panicles; flowers 
small, white . . . .32. Sphinctacanthus 
Corolla over 1 in. long, greenish blue; 
bracts large . . . ■ * 33 - Ecbolium 
Corolla -25 in. long, pink; bracts large, 
ovate cuspidate . . . - 34 - Dicliptera 
Flowers subtended by 2 bracts; corolla 
very unequally 2-lipped. 
Anther-cells 2, one above the other . . 35 - Peristrophe 
Anther 1-celled ...*•• 3 &- Hypoestes 
1 . THUNBERGIA, Linn. fil. 
Twining herbs and lianes. Leaves sub-equal. Peduncles axil¬ 
lary ; flowers racemose. Bracts large broad oblong, base truncate. 
