Convolvulus.] xc. convolvulace^; (baker and rendle). 93 



10. C. rhyniospermus, Hochst. 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 all 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 Lisnd. Nubia: Soturba Mountains, Sclnoeinfurth, 2166! Eritrea: 

 islands in Hamfila Bay, Terracciano, 80, 148, 193. Dalilac Archipelago, Papjn,. 

 4463; Franzesi, 3. Kordofan : near Kohn Mountain. Kotschy, 235 ! Somaliland : 

 Hagdar, near the River Genane, Siva, 1126. 



Mozamb. Dist. Portuguese East Africa : Inhambane, Peters. 



Also extending through Arabia to Scind. 



11. 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, 2-| 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. 1. c. Stems ascending, a little thicker, with spreading 

 stiff hairs ; leaves lanceolate, subacute. 



Nile Land. Somaliland : Revoil. 



Near C. microphyllus, but differing mainly in its smaller corolla, more unequal 

 sepals, and whitish pubescence. 



12. C. hamphilahensis, Terrace, in Ann. Istit. Bot. Roma, v. 105. 

 Csespitose. 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. 



