190 XLVII. § PAPILIONACEE (BAKER). [ Canavalia. 
inflexed auricles; wings narrow, free, falcate or subtwisted; keel 
broader than the wings in our species obtuse. Upper stamen free 
below, connate at the centre; anthers uniform. Ovary substipitate, 
multiovulate; style incurved; stigma small, terminal. Pod _linear- 
oblong, compressed or subturgid, with a wing or rib on both sides near 
the upper suture, 2-valved, slightly septate between the seeds.—Climb- 
ing herbs. 
A small genus, widely spread through the Tropics. 
Biennial, the upper lip of the calyx a quarter as long as the tube. 1. C. obtusifolia. 
Perennial, the upper lip of the calyx a third as long as the tube . . 2. C. ensiformis. 
1. C. obtusifolia, DC. Prod. ii. 404. Stem biennial, climbing or 
sometimes prostrate amongst the sands of the seashore, slightly pubes- 
cent when young. Stipules small, deciduous. Petioles 2-8 in. long, 
firm, glabrous; leaflets 3, central one roundish or broad-obovate, 3-4 
in. long and nearly as broad, apex rounded, often emarginate, petiolule 
1-1} in. long, lateral ones similar, often unequal-sided, shortly petio- 
lulate, both sides glabrous. Flowers in lax 6—12-flowered racemes on 
long flexuose elabrous peduncles. Pedicels stout, 2-3 lines long, 
springing from fleshy tubercles. Calyx broad-campanulate, glabrous, 
3 in. deep, the upper lip projecting } in. beyond the lower one, rounded, 
bifid, the lower with three small deltoid teeth. Corolla purplish, fra- 
grant, three times as long as the calyx, the standard 3-1 in. broad, 
Pod 4-6 in. long, an inch broad, 6—8-seeded, glabrous when mature, 
with two prominent ribs a line distatt from the upper suture. Seeds 
chestnut-brown, opaque, compressed, 4—$ in. long.—Guill. et Perr. Fl. 
Seneg. 223. Harv. Fl. Cap. ii, 238. Mart. Leg. Bras. t. 48. D. 0) 
ovatus, Schum. et Thonn. Pl. Guin. 341. D. ovalifolius, 8. et T. Le. f 
C. emarginata, G. Don, Gard. Dict. ii. 362. 
Upper Guinea. Sierra Leone, Afzelius! Senegambia, Leprieur and Perrottet ! 
Guinea proper, Thonning, Barter! Mylne! 
Lower Guinea. Congo and Loanda, Dr. Welwitsch ! 
Mozamb. Distr. Mozambique, Peters. Zambcsi land, Dr. Kirk! 
Widely dispersed through the Tropics of both hemispheres and often cultivated. 
is a plant of Natal. 
It 
2. C. ensiformis, DC. Prod. ii. 404. Stems perennial, wide- 
climbing, subglabrous. Stipules minute, deciduous. Petiole 2-6 in.; 
leaflets 3; central one ovate or oblong, 3-6 in. long; lateral ones 
smaller, unequal-sided, membranous, glabrescent. Flowers numerous, 
in moderately dense racemes on flexuose peduncles half a foot or more 
long. Calyx 4 in. deep, the bifid upper lip a third as long as the tube. 
Corolla pinkish or white, fragrant, twice the calyx or more. Po 
short-stalked, 4—8 or even 12 in. long, 15-18 lines broad, glabrescent, 
the prominent ribs 14-2 lines from the upper suture.—C. gladiata, D : 
loc. cit. C. polystachya, Schweinf. Rel. Kots. 25, t: 20. Daolichos Cien 
howskii, Schweinf. et Asch. Enum. 256. 
Upper Guinea. Senegal, Perrottet! Sierra Leone, Afzelius! Niger country, 
Barter! 
