134 LXX. RUBIACE# (HIERN). [ Canthium. 
the lower surface . . . . . . «. 81. C. venosum. 
Stigma globose, not much exserted. 
Peduncles very short, glabrous. 
Leaves oblong-ovate, acute. . . . . . 82. C? multiflorum. 
Leaves oval, obtuse . . . . . 88. C. bibracteatum, 
Peduncles 3-1 in. long, puberulous or glabrate 34. C. crassum. 
Corolla tomentose outside. Flowers 4-6-merous, 
Corolla-lobes 5, lanceolate, caudate-acuminate, Anthers 
glabrous... 1. we ee ee ee 85. OC. vamguerioides. 
Corolla-lobes 4-6, narrowly lanceolate, not caudate. 
Anthers slightly hairy . woe ee ee. 86. C. lanciflorum. — 
1. ©. glaucum, Hiern. Glabrons. Branches rigid, terete, 
glaucous, spinous; spines opposite, strong, spreading, situated above 
very abbreviated leafy lateral shoots, 4-4 in. long, acute, glaucous. 
Leaves oval, scarcely subacuminate, obtuse at both ends or wedge- 
shaped at the base, chartaceous, pale beneath, 1-14 by }—3 in. ; lateral 
veins about 4-6 pairs, inconspicuous; petiole rather thin, narrowly 
winged towards the apex, 3-4 in. long; stipules apparently subulate. 
Flowers about y5 in. long, on slender pedicels of }—¢ im., severa 
together in dichotomous subfasciculate racemes, shorter than the leaves. 
Calyx glabrous; limb 5-cleft; lobes obtuse. Corolla-tube glabrous 
outside, pubescent inside, rather dilated towards the mouth; limb 
deeply 5-lobed, rotate. Filaments very short; anthers ovate. Disk 
glabrous. Stigma capitate or subglobose ; style equalling the corolla, 
glabrous, robust. 
Nile Land. Sola River, Somali Coast, Kirk! 
Mozamb. Distr. Zambesi-land, Tette, Kirk! 
Habit of the Cape Plectronia spinosa, K1., but differs by the bearded throat of the 
corolla ; also like the Indian Canthium parviflorum, Lam., but differs by its pentamer 
ons flowers. 
2. ©. Thonningii, Benth. in Hook. Niger Fl. p. 410. A much 
branched shrub, 6 feet high or more. Branches terete, ashy-white, 
spinous; spines supra-axillary, opposite, subulate, 1 in. long, patent. 
Leaves ovate, subacuminate, very shortly petiolate, except the midrib 
inconspicuously veined; 2-3 in. long; stipules acuminate. Peduncles 
solitary, opposite, divided into two quite simple racemes scarcely 8 
long as the leaves; flowers pedicellate, distichous, alternate, on® 
pedicellate flower in the fork of the peduncle; bracteoles 2, small, at 
the base of the bifurcation. Calyx turbinate, acutely 5-toothed. 
Corolla campanulate, 3-8 in. (size of Convallaria majalis, L.) 1008 
greenish white, 5-cleft; lobes acute, revolute. Stigma capitate-conica, 
bifid at the tip, on a level with the anthers.—Phallaria spinosa, Schum 
et Thonn. Beskr. Guin. PI. p. 118. 
Upper Guinea. Guinea, rather rare, Thonning. 
3. CG. setiflorum, Hiern. A rigid unarmed shrub, with patent 
terete glaucescent branches and hispid shoots. Leaves oval-oblong: 
apiculate, usually obtuse at the base, subcoriaceous, hispidulous or 
glabrescent above, hispid especially on the niidrib beneath, shortly 
petiolate, 4-1} by 4-4 in. ; lateral veins about 3-5 pairs, not conspic™” 
ous; stipules from a broad base lanceolate or subulate, somewhst 
