260 XCI. SOLANACEZ (WRIGHT). | Vicotiana. 
2, N. rustica, Linn. Sp. Pl. ed. 1,180. A herb, up to 4 ft. high. 
Stem terete, branched. Leaves ovate, obtuse, sometimes subcordate,. 
glandular-pubescent, petiolate, the lower up to 1 ft. long. Flowers in 
terminal subpaniculate racemes, bracteate or not. Calyx cyathiform, 
5-fid; lobes very short, subequal. Corolla greenish-yellow, salver- 
shaped, twice as long as the calyx-tube, villous ; lobes 5, obtuse. Fila- 
ments villous at the base. Style slightly longer than the stamens. 
Capsule subglobose, obtuse or emarginate, slightly longer than the 
calyx.—Lehm. Hist. Nicot.34; Dunal in DC. Prodr, xiii. i. 563 ; Speke, 
Nile, Append. 641; Oliver in Trans. Linn. Soc. xxix. 119; Schweinf. 
Beitr. Fl. Aethiop. 276 ; Duthie, Field & Gard. Crops, t. 17 ; Engl. PA. 
Ost-Afr. C. 356; Zarb in Cat. Spéc. Bot. Pfund, 31; Comes, Monogr. 
Nicot. 20, fig. 2. 
Wile Land. Darfur: Bara, Pfund, 89! Kordofan, Kotschy, 25! by the 
Nile near Assur, Speke & Grant! British East Africa: near Nairobi, Whyte! 
Also in the Argentine. Probably only cultivated in Africa, 
11. SCHWENKIA, Linn.; Benth. et Hook. f. Gen. Pl. ii. 911. 
Calyx tubular or campanulate, 5-toothed. Corolla tubular, severab 
times longer than the calyx ; lobes 5, clavate or very small, alternating 
with entire or 2-lobed processes. Stamens didynamous or only 2, the 
fifth rudimentary or obsolete, inserted in the corolla-tube, included or 
exserted; filaments filiform or compressed; anthers ovoid. Disc 
annular or cupular. Ovary 2-celled; style filiform ; stigma terminal ; 
ovules numerous. Capsule 2-valved, globose or ovoid. Seeds many, 
small, rugulose or almost muricate; embryo straight.—Slender wiry 
herbs, rarely suffruticose. Leaves entire. Flowers in terminal 
panicles, 
Species 20, South American. 
Two upper corolla-lobes much longer than the lower . 1. S. americana. 
Corolla-lobes equal. : : | : : ; 2.8. hirta. 
1. S. americana, Linn. Gen. ed. 6, 567. A much-branched! 
pubescent herh, about 2 ft. high. Leaves alternate, entire, the lower 
ovate and petioled, the upper oblong and sessile, about } in. long, 
t-} in. wide. Panicle lax; pedicels very short; bracts minute, 
subulate. Calyx cylindrical, slightly striate. 14 lin. long; teeth tr- 
angular, acute, much shorter than the tube. Corolla pale violet, three 
times longer than the calyx ; tube slightly inflated ; mouth contracted ; 
teeth clavate, two upper longer than the rest. Anthers oval. Style 
filiform, glabrous, as long as the filaments, subclavate at the apex- 
Capsule subglobose, obtuse, nearly twice as long as the calyx ; valves: 
entire, glabrous. Seeds irregularly angled, brownish.—Benth. in DC. 
Prodr. x. 194, and in Hook. Niger Fl. 473; Schmidt in Mart. Fl. 
Bras. vill. i. 251; Hiern in Cat. Afr. Pl. Welw. i. 754, partly. 
Upper Guinea. Senegambia: near the Casamanca River, Leprieur! Sierra 
Leone, Welwitsch, 5923! Vogel, 89! Scott-Elliot, 3887! 4322! Gold Coast : Cape 
Coast Castle, Vogel, 12! Accra, Brown, 308! Lagos, Millen, 100! Dawodu, 4 1 
Southern Nigeria: Stirling Island, Vogel, 153! 
