XCII. ACANTHACER. 285 
Corolla ringent, coriaceous, the upper lip compressed, vaulted, 
with the margin incurved, especially at the apex, membranous 
and emarginate ; lower lip 3-fid, the medial lobe larger. Sta- 
mens 2, exserted; the rudiments of the others adnate to the 
corolla, appearing as callous, hairy lines rising from the bases 
of the fertile filaments toward the galea; anthers 2-celled, 
the cells parallel, pointless, one a little higher. Ovary ovate, 
hairy, 4-ovuled; stigma obtuse. Capsule ?—DC. Prod. xi. p. 
322. 
A Natal shrub, with oblong, acute glabrous leaves, 7-9 inches long, 24 
inches wide, and axillary, peduncled, bracteate spikes. Corolla purple, 
velvety, 1 in. long, 
14, JUSTICIA, Linn. 
Calyx 5-parted. Corolla-tube short, straight, upper lip 
3-fid, concave, not hooded, lower 3-fid, middle-lobe larger than 
the lateral, convex, rugose. Stamens 2, fertile, exserted ; 
anther-cells superposed, lower spurred. Ovary with 2 or more 
ovules in each cell; style entire, obtuse. Capsule laterally 
compressed below, the seeds 2-valved. Seeds tubercled or mu- 
cronate, with acute hooks.—Justicia, Rostellularia, Adhatoda, 
Monechma, and Raphidospora, Nees in DC. Prod. xi. p. 368, 
384, 411, 426, and 499. 
Herbs or shrubs. Flowers axillary or terminal, solitary, panicled or 
spicate, often handsome.—About 20 species, chiefly Eastern. 
15. ECTEINANTHUS, T. Anders. 
Calyx 5-parted; segments subequal, ciliate. Corolla 2- 
lipped, the upper lip 2-dentate, subfornicate, lower convex, 
3-fid, cross-ridged. Stamens 2; anther-cells placed one above 
the other, inserted subtransversely on the apex of the filament, 
oval, pointless. Stigma acute, entire. Capsule ovate, sterile 
at base, oblique, 4-seeded. Seeds ovate, compressed, rough- 
skinned.—T7. Anders. in Linn. Soc. Journ. vii. Bot. p.45 ; Rhy- 
tiglossa, ew parte, Nees in DC. Prod. xi. p. 335. 
Small undershrubs or herbs, differing from Justicia by the anthers and 
capsule. Leaves sparse, ovate or oblong. Flowers spiked, axillary and 
terminal. Bracts small.—5 species, from Eastern district and Natal. 
16. DICLIPTERA, Juss. 
Calyx 5-parted, equal, sessile in bracteate capitula, the 
outer bracts mostly 2, opposite, of larger size. Corolla resu- 
pinate, 2-labiate, the lips flat or concave, the upper 3-toothed, 
lower 2-dentate or entire. Stamens 2; anthers 2-celled, the 
cells placed one above the other, pointless. Capsules 2-valved, 
2-celled, short, 4-seeded; the septum, in the ripe capsules, 
