■Schwenkia.] xci. solanace.e (wright). 261 



Nile Land. Niamniam : Nabambisso River, Schweinfurth, 3724 ! Jur : 

 Kurshook Ali Seriba, Schweinfurth, 1752 ! Jur Ghattas, Schweinfurth, 2110 ! 



Lower Guinea. Lower Congo, Burton ! Angola : Golungo Alto ; road- 

 sides at Sange, Welwitsch, 5902! 5898! manioc plantations near Agnus Doces, 

 Welwitsch, 5901 ! between Trombeta and Ctbondo, Welwitsch, 5903 ! 



Var. aiiffustifolia, Schmidt in Mart. Fl. Bras. viii. i. 251. Leaves narrower than 

 an the type, almost glabrous. 



Upper Guinea. Northern Nigeria : Nupe, Barter ! 



Wile Land. Morn : Neangara, PethericJc ! 



lower Guinea. Lower Congo : Lutete, Hens, A, 260 ! 



Also in Brazil. 



The whole plant is pounded and used as a fish poison. — Dawodit. 



2. S. hirta, Klotzsch in Linncea, xiv. 289. A herb, up to 2 ft. 

 high. Stem densely hirsute. Leaves ovate or oblong, obtuse, |- in. 

 long, 1 in. wide, hirsute on both surfaces, sometimes undulate, cihate ; 

 petiole short. Panicle large, lax ; branches slender. Calyx tubular, 

 J in. long ; teeth very short, triangular. Corolla pale violet or yellow, 

 5 lin. long, less than 1 lin. in diam. ; lobes clavate, equal. Stamens 2 ; 

 filaments sparingly pilose. Capsule J in. long, acute or mucronate. — 

 Benth. in DC. Prodr. x. 194 ; Schmidt in Mart. Fl. Bras, viii. i. 250. 

 ■S. americana, Hiern in Cat. Afr. PI. Welw. i. 754 partly. 



Upper Guinea. Upper Volta : Salaga, Krause ! Sierra Leone, Sherboro, 

 ■Garrett in Serb. Scott-Elliot, 5830 ! Talla hills, 4000 ft., Scott-Elliot, 5087a ! 



Wile Land. Jur: Wau, Schweinfurth, 1670 ! 



Lower Guinea. Angola : Loauda, Gossweiler, 194 ! near Quicuxe and along 

 nearly the whole coast as far as Ambriz, Welioitsch, 5914 ! 



Also in Brazil and Guiana. 



Order XCII. SCROPHULARIACE^]. (By W. Botting 

 Hemsley and S. A. Skan). 



Flowers hermaphrodite, more or less irregular. Calyx inferior, 

 ipersistent ; tube campanulate or tubular or sometimes almost none ; 

 teeth, lobes or segments usually 5, sometimes 4, rarely 3, valvate, 

 imbricate or open in bud. Corolla-tube campanulate, cylindric or 

 ventricose or enlarged above, more or less curved or straight, some- 

 times very short, in some genera with 1 or 2 spurs or sacs at the base ; 

 limb 5- or 4-lobed (rarely 3- or (i-8-lobecl), with the lobes more or less 

 equal and all spreading, or distinctly 2-lipped ; upper lip entire, 

 ■emarginate or 2-lobed, erect, concave or galeate, or sometimes flat and 

 spreading ; lower lip 8-lobed, usually spreading, sometimes gibbous at 

 ■the base or with a palate closing the throat of the corolla ; lobes 

 variously imbricate in bud, not plicate, valvate or twisted. Stamens 

 usually 4, didynamous, or '1, rarely 3 or 5, the fifth or uppermost quite 

 absent or reduced to a staminode ; filaments inserted in the corolla- 

 tube or at the throat, filiform or slightly dilated, the lower sometimes 

 ■appendaged at the base; anthers 1- or 2-celled, free or coherent or 



