21 
3 mm. broad, glabrous and often glaucous; stipules linear-lanceolate, very acute, about 
7 mm. long, glabrous, often sub-persistent. Inflorescence mostly rather few-flowered and 
much shorter than the subtending leaf; peduncle aculeate or smooth; pedicels slender, 
about 5 mm. long, glabrous. Flowers yellow, about 1-5 cm. long. Calyx tube 3 mm. 
long, campanulate, glabrous; teeth 1-2 mm. long, subacute. Vezidlum yellow spotted 
on the back, with two sessile linear appendages on the claw. Alae oblong or oblong- 
obovate. Carina 1:8 cm. long, 4 mm. broad. Stamwnal sheath 1-1-2 cm. long. Ovary 
glabrous. Frwits 15-20 cm. long, straight or slightly curved, about 3 mm. thick, tipped 
with a long slender acute beak. Seeds oblong-ellipsoid, rounded at both ends, about 
3 mm. long. 
TropicaL AFRICA : Senegal, Perrottet 229. Sierra Leone: Falaba, Scott Elliott 5220 ; 
near Luseniya, about 15 ft., with purplish flowers, Scott Elliott 4219. Gold Coast: Accra, 
Krauss: Lagos, J. M. Dalziel 1227; Macgregor 13. French Congo: Ft. Sibut, Krebedje, 
Chevalier 5675. Cameroons: Yaunde, Zenker and Staudt 501. Angola: Quiballa, Mon- 
tetro. Mossamedes, Welwitsch 1996. Between Huilla Mission Station and Chibia, H. H. W. 
Pearson 2699, 2724. Golungo Alto, Welwitsch 1994. Mossamedes. Eastern Sudan: 
Schweinfurth 1046, 1869; Kotschy 539; Brown 1075. Abyssinia: Quartin-Dillon and 
Petit 169. Colonia Eritraea: Beni-Amer, Pappi 161. British Hast Africa: Mombassa, 
in damp meadows, Hildebrandt 1990; Kassner 471; Usambara, C. Holst 3212. Nyasa 
Highlands, Stolz 267. Nyasaland: Johnson 361; Buchanan 910. Rhodesia: Matopos, 
Allen 731. Ngamiland: Kwebe Hills, swampy places, Lugard 161, 16la, 168. Portu- 
guese Hast Africa: Lourenco Marques, Schlechter 11585; Wilms 422. 
SoutH AFRICA: Transvaal: Shilovane, Junod 1131. Crocodile Poort, shrub 8 ft., 
Galpin 1074a. Aapies River, north of Pretoria, A. Haagner n Herb. Conrath 1185. 
Barberton Division: Nelspruit, Rogers 23858. Natal, Drege, Sutherland ; Gerrard 32; 
Keun, Wood 287, 1593; Gerrard and McKen. 734. 
A common weed in most tropical countries. 
16. Sesbania arabica, Hochst. ex Steud., Nom. ed. II, 1, 572 (1840). 
Stems glabrous, rather slender, finely grooved. Leaves up to 15 cm. long, much longer 
than the inflorescence; rachis smooth; leaflets up to thirty pairs, distinctly stalked, 
linear-oblong, rounded and minutely mucronate at the apex, obliquely one-sided at the 
base, about 1-5 cm. long and 2-5-3 mm. broad, glaucous-green ; stipules lanceolate, with 
a long linear acuminate apex, slightly pubescent on the margin, sub-persistent ; stipels 
very minute, like little points. Inflorescence mostly about two or three flowered, slender ; 
peduncle glabrous or nearly so; bracteoles paired at the base of the calyx, narrowly 
lanceolate, with membranous margins. Flowers apparently yellow; the vexillum finely 
mottled with purple. Calyx broadly campanulate from a shortly turbinate base, about 
5 mm. long, slightly pubescent within the margins of the acute triangular teeth. Veasllum 
with two linear sessile appendages on the claw. Fruits erect, nearly straight, up to about 
25 cm. long, strongly constricted between the seeds, segments about 6 mm. long. Seeds 
oblong-ellipsoid, rounded at both ends, 4-5 mm. long, dark brown, slightly shining. 
TropicaL AFRICA: Northern Nigeria: Benne Valley, Muri Province, Nov., P. H. 
Lamb 69. astern Sudan: $. Kordofan, Pfund 132, 308; Kotschy 47. Blue Nile, near 
“Camp Ardeba,” Muriel 65. Mestra Zeraf Wood Station, Brown 1737. Colonia Eritrea : 
Beni-Amer, Pappi 166. 
Occurs also in Southern Arabia. Arabic name, ‘“ Tawri’’ (Muriel). 
d 
17. Sesbania sphaerocarpa Welw. Apont. 590, No. 82 (1858); Hiern. in Cat. Afr. PI. 
 Welw., 1, 232, partly. Sesbania sphaerosperma, Welw. ex Baker in Oliv. Fl. Trop. 
Afr., 1, 135 (1871). 
