216 - XLVII. § PAPILIONACEE (BAKER). [ Cajanus. 
1. CG. indicus, Spreng. Syst. Veg. iii. 248. An erect shrub 8-10 ft. 
high, the branches woody, angular, and finely adpressed grey-silky. 
Stipules small, lanceolate, deciduous. Petioles $—2 in. long, firm; leaf- 
lets 3, oblong or oblong-lanceolate, 2-3 in. long, acute, subcoriaceous, 
upper surface glabrous, lower grey-silvery with the veins raised. Flowers 
in 2—8-flowered axillary racemes on short firm erecto-patent peduncles. 
Pedicels }-3 in. long. Calyx silky, 3-4 lines deep, the teeth lanceo- 
late, not reaching half down. Bracts broad-ovate, acuminate, deciduous. 
Corolla 8-2 in. deep, the standard yellow or veined with purple. Pod 
2-3 in. long, 3-4 in. broad, 3—5-seeded, finely pubescent.— Cytisus 
Cajan, Linn. Sp. Pl. 1041. ©. pseudo-cajan, Jacq. Hort. Vind. ii. t. 119. 
Cajanus bicolor, DC. Prod. ii. 406. Bot. Reg. 1845, t. 31. C. flavus, DC. 
Prod. le. Cytisus guineensis, Schum. et Thonn. Pl. Guin. 349. 
Upper Guinea. Princes Island, Mann! Sierra Leone, called the Congo Bean, 
Dr. Kirk! Afzelius! Guinea, Schumacher and Thonning. 
Nile Land. Nubia, Kotschy! Binder. Unyoro, Speke and Grant! 
Lower Guinea. Congo, Capt. Burton! “Loanda and Golungo Alto, Dr. Wel- 
witsch | 
Mozamb. Distr. Zanzibar Island (fide Kotschy). Zambesi land, Dr. Stewart! 
Cultivated throughout the Tropics. ‘“ Met with and cultivated everywhere ; tastes 
like a coarse description of field peas; the Wahiyow strike a light by using its wood 
and a reed.” Speke and Grant. 
70. RHYNCHOSIA, Lour.; Benth. et Hook. f. Gen. Plant. i. 542. 
Upper teeth of the calyx more or less ‘connate, the lowest longer than 
the others. Standard obovate or orbicular, patent or reflexed, the base 
appendiculate with inflexed auricles ; wings narrow ; keel incurved at 
the apex. Upper stamen free, the others connate; anthers uniform. 
Ovary subsessile, biovulate in all our species; style incurved upwards, 
filiform or incrassated; stigma small, terminal. Pod subcompressed, 
falcate-oblong, two-valved, ‘continuous or rarely septate internally. 
Seeds two or by abortion one.—Twining shrubs or undershrubs. 
A large genus, dispersed throughout the tropics, also Cape, and a few species in tem- 
perate North America. 
* Cyanospermum (Wight and Arn.). Robust woody climbers, with racemose inflo- 
prea Calyx as long as the constricted pod. Corolla persistent, usually bright 
red. 
Calyx-teeth acute. 
Upper tooth of calyx half as long as the standard . . . . 1. R. Mannit. 
Upper tooth of calyx as long as the standard . . . . . 2. &. congensis. 
Calyx-teeth blunt. 
Corolla bright red. 
Branches and leaves subglabrous. . . . . . . . . 3. &.calycina. 
Branches and leaves densely pubescent. . . . . . . 4. BR. cyanosperma, 
Corolia. yollow og a a st a Se ee ee 
** Copisma (2. Meyer). Twining herbs or undershrubs, with flowers in stalked 
racemes (reduced to 1-2 in sp. 11). Pods exserted and constricted. Corolla mar- 
cescent, yellow or red. 
