IcaciaJ] 



37. LEGUMINOS^. 



151 



Petals exserted, united in the lower half. Stamens free, indefinite, 

 exserted. Ovary stalked or sessile, many ovuled ; style filiform, 

 stigma minute. Pod ligulate or oblong, dehiscent or indehiscent. * 



5. 



Erect shrubs or trees. 



Stipular spines long, straight. Flowers in globose Leads 

 Pod straight. 



Pod tliick, sliort, cylindrical glabrous, marked 



witli fine close strife 



Pod tliick, strap -shaped, densely grey-downy ... 

 Pod thin, narrow, ligulate, edges slightly repand, 



glabrous 



Pod thin flat, broad-ligulate, edges straight j 



glabrous... 



Pod ligulate-falcate. 



Pod thin, fiat, edges straight, thinly grey-downy, 



dry, dehiscent 



Pod thin, flat, edges straight, tomentose ... 

 -Stipular spines short, hooked. Flowers in spikes. 

 Spines short, hooked. Pod straight, not winged. 

 Rachis pubescent. Pinnse 10-20 pairs, leaflets 

 • 30-5U pairs. Calyx long, tomentose. White- 

 barked tree 



Bachis downy, pinnae 20-40 pairs, leaflets 30-58 



pairs. Calyx short, downy 



Bachis dark, shining, glabrous. Pinnae 15-20 

 pairs, leaflets 30-40 pairs. Calyx short, 



glabrous 9. 



Spines short, hooke'd, rarely unarmed. Pod straight, 

 narrowly winged along the upper edge ... ...10. 



Spines short, hooked, often in 3s. Pod straight, not 

 winged ... ... ... ... ... ...11. 



Stipular spines long, straight, of different sizes, the 

 larger conical, white, and hollow inside. Pod slightly 

 falcate 12. 



Climbing shrubs armed copiously with 

 scattered prickles. 



Flowers in globose heads distributed in large panicles. 

 Stipules and bracts cordate, ovate. Pod red, 



thick, fleshy, shrivelled and rugose when dry. ..13. 

 Stipules and bracts minute, lanceolate. Pod thin, 

 smooth, dry. 

 Leaflets sub-falcate, pale beneath, 16-60 ...14. 

 Leaflets linear, not pale beneath, 80-100 ...15. 



8. 



A. Farnesiana^ 

 A. arahica. 



A. ehurnea. 



A. Jacquemontii. 



A. tomentosa. 

 A, leucophlaea. 



A, Suma. 

 A, Catechu. 



A. Sundra, 



A. ferruginea. 

 A. Senegal, 



A. Latronum. 



A. concinna. 



A. Intsia. 

 A. pennata. 



1 . A. Farnesiana, WiUd. DO. Prod. II. 461 ; Fl. Br. 2. 293 ; Brandis 

 For. Fl. 180 ; Bedd. Fl. Sylv. 52. Vachellia Famesiana, W. & A. Dalz. & 

 Gibs. Bomb. Fl. Suppl. 26. The Cassia Flower. Vildyati babul, guhikar, 

 iri'babul, Yern. ; JalU, K. ; Kankar, M. Cosmopolitan in the tropics, 

 but usually cultivated. Bun wild near villages and in moist situations 

 throughout the presidency and Sind ; indigenous in Central America. 

 Fl. Feb.-Mch. Wood vs^hite, close-grained, hard and tough ; v^^eighs 

 about 50 lbs. to the cub. ft. The flowers, which are very strongly scented, 

 yield an essence on distillation, much nsed in European perfumery. A gum 

 exudes from the trunk and is collected in Sind. The bark is used in 

 medicine and contains about 2 per cent of tannin. 



