Hvolwulus.| XC. CONVOLVULACEH® (BAKER AND RENDLE). 67 
rarely shrubby, never twining. Leaves simple, usually entire. 
Flowers small, in few-flowered axillary dichasia or aggregated in spikes 
at the end of the branches. 
Species, about 70, nearly all Tropical American. 
Capsule 2-celled. Corolla shallowly lobed 1. £. alsinoides. 
Capsule 1-celled. Corolla deeply lobed : : . 2. EB. nummularius. 
1. E, alsinoides, Zinn. Sp. Pl. ed. 2, 392. Annual or perennial. 
Stems tufted, slender, hairy, spreading or ascending. Leaves elliptic, 
oblanceolate-oblong to lanceolate, 4-1 in. long, hairy on both sur- 
faces, generally narrowed to the base, apex obtuse (often mucronate) 
to acute. Peduncles slender, hairy, 1—3-flowered, shorter than, equal 
to or longer than the leaves, often 1-1} in. long; pedicels short ; 
bracts lanceolate, minute. Sepals lanceolate to lanceolate-ovate, acute, 
hairy, 1$—2 lin. long. Corolla broadly funnel-shaped, a little longer 
than the calyx, usually bright blue, rarely white, 3 lin. in diam. when 
expanded. Capsule globose, 4-valved, 14 lin. in diam.—Seeds 4, 
brown, or black, glabrous.—Choisy in DC. Prodr. ix. 447; Benth. in 
Hook. Niger Fl. 470 ; Klotzsch in Peters, Reise Mossamb. Bot. 246 (var. 
strictus): Schweinfurth, Beitr. Fl. Aethiop. 93 (incl. vars.) ; Oliver in 
‘trans. Linn. Soc. xxix. 117; Hallier f. in Engl. Jahrb. xviii. 85; Hiern 
in Cat. Afr. P]. Welw. i. 724; Dammer in Engl. Pfl. Ost.-Afr. C. 328 
(incl. varieties); Capua in Ann. Istit. Bot. Roma, viii. 222 (incl. 
varieties). LH. fugacissimus, Hochst. in Schimp. Pl. Abyss. No. 828; 
A. Rich. Tent. Fl. Abyss. ii. 75. 2. linifolius, Linn. |.c.; Choisy le. 
449; Franchet, Sert. Somal. 43. 2. azureus, Schum. & Thonn. 
Beskr. Guin. Pl. 166. 
Upper Guinea. Senegal: Roger, 12! Heudelot, 229! Perrottet, 504! 
Gold Coast : Accra, Don ! Vogel! Ansell! Brown, 360! Salaga, Krause! Togo, 
Warnecke, 212! Lagos, Migeod! Rowland. Northern Nigeria, Vogel, 159! 
Barter, 546! Bornu: Mora, Vogel! 
Nile Land. Throughout the region from Nubia to Mombasa, Kotschy, 371! 
Bent! Lord! Cienkowski, Pfund, 135! 514! Kotschy, 411! 412! Schweinfurth 
& Riva! Pappi, Terraciano, Ragazzi, Steudner, 957! Ehrenberg, Petit, 297! 
Schimper, 359! 828! 1150. Hildebrandt, 529! 1528! Mrs. Lort Phillips! Miss 
Edith Cole! Révoil, Riva, 1271, 1471, Schweinfurth, 7! 4269! Freeman & Lucas ! 
Donaldson Smith! Weliby! Bagshaw, 318! Scott-Elliot, 6109! 7380! 7444! 
Speke § Grant, 588! Whyte! Kdssner, 534! Johnston! Taylor! Wakefield ! 
Lower Guinea. Lower Congo, Hens, 17, A 311! Loango, Soyaux. Angola, 
Welwitsch, 6155! 6156! 6161! 6162! 6255! Gossweiler, 225! Baum, 510. 
Damaraland, Een ! Amboland, Sehinz, 746. 
South Central. Congo Free State : Mtowa, Descamps. Angola : upper part 
of Ninda River, Serpa Pinto. 
Mozamb. Dist. German East Africa, Hannington! Wilson, 28! Fischer, 
415! Holst, 2595! Volkens, 2182! Portuguese East Africa: Tete and Lupata, 
Kirk! British Central Africa: Nyasaland, Simons! Buchanan! Matabeleland, 
Oates! Elliott! Mrs. Evelyn Cecil, 116! Rand, 127! Ngamiland, Lugard, 141! 
Miss Lugard, 99! 
A very variable plant, varying from spreading to erect in habit, and also in the 
