216 xlvii. § papilionace^ (baker). [Cajanns. 



1. C. 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 J-2 in. long, firm ; leaf- 

 lets 3, oblong or oblong-lanceolate, 2-3 in. long, acute, subcoriaceous, 

 upper surfaee glabrous, lower grey-silvery with the veins raised. Flowers 

 in 2-8-flowered axillary racemes on short firm erecto-patent peduncles. 

 Pedicels \-\ in. long. Calyx silky, 3-4 lines deep, the teeth lanceo- 

 late, not reaching half down. Bracts broad-ovate, acuminate, deciduous. 

 Corolla |-j in. deep, the standard yellow or veined with purple. Pod 

 2-3 in. long, f-J in. broad, 3-5-seeded, finely pubescent. — Cytisus 

 Cajan, Linn. Sp. PI. 1041. C. pseudo-cajan, Jacq. Hort. Vind. ii. t. 119. 

 Cajanus bicolor, DC. Prod. ii. 406. Bot. Reg. 1845, t. 31. C.Javus, DC. 

 Prod. I.e. Cytisus guineensis, Schum. et Thonn. PI. Gum. 349. 



Upper Guinea. Princes Island, Mann ! Sierra Leone, called the Congo Bean, 

 Dr. Kirk! Afzelius! Guinea, Schumacher and Thonning. 



Nile Laud. Nubia, Kotschy ! Binder. Unyoro, Speke and Grant! 



Lower Guinea. . Congo, Capt. Burton! Loanda and Golungo Alto, Dr. Wei- 

 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 Am.). Robust woody climbers, with racemose inflo- 

 rescence. 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. B. Mannii. 



Upper tooth of calyx as long as the standard 2. B. congensis. 



.Calyx-teeth blunt. 

 Corolla bright red. 



Branches and leaves subglabrous 3. B. calycina. 



Branches and leaves densely pubescent 4. B. cyanosperma. 



Corolla yellow 5. B. resinosa. 



** Copisma (E. 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. 



