Convolvulus.] XC. CONVOLVULACER (BAKER AND RENDLE). 93 
10. ©. rhyniospermus, /ochst. ex Choisy in DC. Prodr. ix. 405, 
Annual, herbaceous. Stems slender, densely tufted, suberect or trailing, 
3-12 lin. long, clothed with short bright brown hairs. Leaves oblong 
or oblanceolate, obtuse, narrowed to the base, 1—2 in. long, smaller on 
the flowering stems, subsessile, slightly hairy. Flowers ail the way 
up the stem in shortly peduncled or subsessile few-flowered 
clusters, sometimes solitary, surrounded by oblong to oblong-lanceolate 
bracts, the outer foliaceous, the inner about as long as, and resembling 
the sepals. Sepals oblong-lanceolate, acute, 3 lin, long, densely clothed 
with bright brown hairs, the three inner smaller and narrowly lanceolate, 
Corolla twice as long as the calyx, hairy. Capsule globose, glabrous, 
3 lin. in diam., beaked with the persistent style-base. Seeds 4, 
minutely papillose.— Wight Ic. t. 1368; Hallier f. in Engl. Jahrb. xvii. 
100 ; Terrace. in Ann. Istit. Bot. Roma, v. 105 ; Capua in Ann. Istit. Bot. 
Roma, viii. 232. C. involucellatus, Klotzsch in Peters, Reise Mossamb, 
Bot, 241. 
Nile Land. Nubia: Soturba Mountains, Schweinfurth, 2166! Eritrea: 
islands in Hamfila Bay, Terracciano, 80, 148, 198. Dahlac Archipelago, Pappi, 
4463; Franzesi, 3. Kordofan: near Kohn Mountain. Kotschy, 235! Somaliland : 
Hagdar, near the River Genane, Riva, 1126. 
Mozamb. Dist. Portuguese East Africa: Inhambane, Peters. 
Also extending through Arabia to Seind. 
1l. C. capituliferus, Franch. Sert. Somal. 41. Stems many from 
a shrubby base, prostrate, hispid ; leaves small, shortly petioled, silky on 
each side. Flowering branches short, secund, leafy, springing along the 
whole length of the stem; flowers small, crowded. Sepals unequal, 
lanceolate, acute, with long adpressed hairs. Corolla scarcely exceeding 
the calyx, 24 to 3 lin. long, funnel-shaped, sparsely hairy on the outside. 
Ovary 2-celled, 2-4-ovuled. Seeds usually solitary in the chamber, 
puberulous.—Hallier f. in Engl. Jahrb. xviii. 100. 
Var. filiformis, Franch. 1. c. Stamens prostrate, thinly hairy with adpressed 
hairs ; leaves broadly obovate or nearly rotund. 
Var. suberectus, Franch. l. c. Stems ascending, a little thicker, with spreading 
stiff hairs ; leaves lanceolate, subacute. 
Nile Land. Somaliland: Révoil. 
Near €. microphyllus, but differing mainly in its smaller corolla, more unequal 
sepals, and whitish pubescence. 
12. C. hamphilahensis, Zerracc. in Ann. Istit. Bot. Roma, v. 105. 
Czspitose. Stems short, erect, flowering from base to apex. Leaves 
oblong-lanceolate, acute, obscurely green, subpetioled, bearing scattered 
long white hairs. Flower-heads globose, sessile, covered with white 
tomentum, shorter than the bract. Sepals lanceolate, acute, woolly. 
Corolla equal in length to the calyx, shortly hairy on the outside at the 
apex. Capsule thin, glabrous, 2-4-seeded. Seeds papillose-tuberculate. 
—Capua in Ann. Istit. Bot. Roma, viii. 232. 
