90 XC. CUNVOLVULACEE (BAKER AND RENDLE). [Convolvulus. 
1. C. sericophyllus, 7. Anders. in Journ. Linn. Soc. v. Suppl.i. 
25. A shrubby perennial, reaching 6 ft. in height, much branched 
from the base; branches strictly ascending, terete, woody, spinescent. 
at the tip, slightly silky when young, glabrate when mature. 
Leaves silky, acicular, lower oblanceolate, shortly acute, to 1 in. 
long, upper growing gradually smaller and passing into the bracts. 
Flowers 1-3, fascicled, forming terminal racemes. Peduncle up to 
9 lin. long, generally much shorter. Sepals cartilaginous, ovate- 
acuminate, minutely silky, very small, barely more than 1 lin. long. 
Corolla silky, 6—9.lin- long. Capsule glabrous. Seeds black, opaque.— 
Hallier f, in Engl. Jahrb. xviii. 97. C. acicularis, Vatke in Linnea, 
xiii. 518. 
Wile Land. Somaliland: Coast plain, near Wodderi, Hildebrandt, 885! foot- 
hills near Maid, Hildebrandt, 1516; valley below Bihen, Miss Cole! 
Also at Aden. C. somaiensis, Franch. Sert. Somal. 43, not of Vatke, is probably 
identical. 
2. C. Hystrix, Vahl, Symb.i.16. An erect shrub ; branchlets 
numerous, short, spreading, hairy, ending in sharp spines. Leaves 
small, stiff, sessile, 6 lin. long or less, rarely reaching 2 lin. broad, 
oblong, tapering slightly towards the subobtuse apex, silky. Flowers 
axillary, sessile, usually sulitary. Calyx 3 lin. long, clothed with short: 
brown hairs; 2 outer sepals larger, orbicular; 3 inner ovate. Corolla. 
hairy on the midpetaline ‘areas, little longer than the calyx, nearly 
5 lin. long. Capsule not seen.—Choisy in DC. Prodr. ix. 400. Hal- 
ne f. in Engl. Jahrb. xviii. 100, and in Ann. Istit. Bot. Roma, vil. 
226. 
Wile Land, Nubia: Soturba Mountains, Schweinfurth, 2151! coast-land, 
Bent! Eritrea: Berber, Riva, 251; Obbia, Garad, Robecchi-Bricchetti, 497. 
Also in Egypt, Arabia and Syria. 
3. C. Ruspolii, Hallier f. in Ann. Istit. Bot. Roma, vii. 225. A 
densely spiny shrub; branches terete, of the first order elongated, of 
the higher orders gradually shorter, spreading at right angles and end- 
ing in a leafless spine ; the younger adpressed and minutely puberulous. 
Leaves not more than 6 lin. long and less than 14 lin. broad, linear- 
lanceolate from a subtruncate base, on the branches of the first and 
second order and at the base of the branchlets, becoming gradually 
smaller, glabrous above, with a few adpressed hairs beneath ; petiole 
barely 1 lin. long. Flowers 1-5, at the very base of the branchlets of 
the third order, small, peduncled, 1-1} lin. long, bearing above the 
middle two minute dpposite lanceolate bracts. Calyx ovoid, 24 jin. 
long ; sepals glumaceous, ovate-lanceolate, sparsely ciliolate at the ape%s 
otherwise glabrous, the two outer recurved at the tip, the 3 inner 4 
little smaller. Corolla funnel-shaped, 44 lin. long, 5-lobed, glabrous; 
with scattered glands between the nerves. Filaments glandular- 
pubescent at the gradually dilated base ; anthers linear-sagittate, some- 
what twisted. Disc minute, cupular, 5-crenate. Ovary ovoid, glabrous- 
Capsule not seen. ; 
' Wile Land. Somaliland : near Miliil, in the Ogaden desert, Riva, 297. 
