LXVII. RUBIACER. 155 
rooted herb. Leaves broad or narrow, sessile; stipules of 3-4 bristles on 
each side ; flowers lilac-purple, in many-flowered, peduncled heads or short 
spikes. Flowers very rarely 4-parted. 
17. SPERMACOCE, Mey. 
Calyx-tube ovate or turbinate ; limb 2—4-lobed, sometimes 
with intermediate accessory teeth. Corolla salver- or funnel- 
shaped, 4-lobed. Stigma 2-fid or undivided. Fruit crowned 
with the calyx, dry, 2-celled ; carpels separating into two 1- 
seeded pieces from the apex, one closed by the adnate septum, 
the other open. Seed oval-oblong, with a longitudinal furrow. 
—F1. Cap. 11. p. 23. 
Tropical herbs or undershrubs, with 4-sided branches, opposite leaves, and 
sheathing, bristle-fringed stipules. Flowers axillary, sessile, crowded.—S. 
Natalensis, our only species, occurs at Natal. 
18. MITRACARPUM, Zuce. 
Calyx-tube ovate; limb 4-toothed, 2 of the teeth larger 
than the others. Corolla salver-shaped, with a terete tube, 
having within the base a ring of hairs; throat nude; limb 4- 
lobed. Stigma 2-fid. Capsule membranous, crowned with the 
calyx, 2-celled, with circumscissile dehiscence.— FI. Cap. ii. p. 
25. 
Herbs, resembling Spermacoce.—M. Dregeanum, our only species, grows 
in Natal. It is hairy, with lanceolate revolute-margined leaves, and flowers 
in capitate whorls or fascicles. 
19. HYDROPHYLAX, Linn. f. 
Calyx-tube ovate, angular ; limb sharply 4-toothed. Corolla 
widely funnel-shaped, 4-lobed. Anthers sessile in the throat, 
exserted, linear-oblong. Stigma roundly 2-lobed. Fruit dry, 
corky, angular, lanceolate or oblong, crowned with the calyx, 
2-celled.—FV. Cap. iu. p. 25. 
Glabrous, creeping, maritime herbs. Stemsterete. Leaves ovate-oblong, 
fleshy, joined with the stipules at base into a cup-like, toothed sheath. 
Flowers axillary, sessile, 1-2 together.— H. carnosa, Sond., our only species, 
occurs in Natal ; it comes close to H. maritima, Linn. 
Tripe 7. ANTHOSPERMER. (Gen. 20-23.) 
20. GALOPINA, Thunb. 
Flowers often polygamous. Calyx-tube obovate; limb 4- 
toothed, very small. Corolla subrotate, 4—5-parted ; lobes ob- 
long, lanceolate, patent-reflexed. Stamens 3-5, in the base of 
the corolla ; anthers oblong, slightly exserted. Styles 2, with 
long, hairy stigmas. Fruit obovate-didymous, of 2 indehiscent, 
