XLVII. LEGUMINOS^. 555 



Order XLVII. LEGUMINOS^. 



Herbs, shrubs often climbing, and trees. Leaves stipulate 

 usually alternate, pinnate or digitate, rarely simple; rachis in 

 climbers often ending in a tendril. Inflorescence axillary, leaf- 

 opposed or terminal, racemose or panicled, with bracts and brac- 

 teoles. Flowers usually irregular, bisexual. Sepals 5, connate or 

 free, often unequal. Petals 5, fewer to o, by abortion, usually 

 free, unequal. Stamens normally 10, rarely fewer or indefinite, 

 perigynous or nearly hypogynous ; filaments free or connate. 

 Ovary free ; ovules i to many on the ventral suture ; style simple ; 

 stigma capitate or oblique. Pod usually dry, dehiscent, or inde- 

 hiscent, i- to many-seeded, rarely baccate. Species about 8000, 

 whole world, divided into 3 sub-orders, (A) PapilionaceaB, 

 (B) Caesalpinieae and (C) Mimoseae {Prain, Joitrn. As. Soc. Beng. 

 Ixvi. (2), No. I, p. 21). 



(A) Papilionaceae. Herbs, climbing or erect, shrubs or trees. 

 Flowers irregular. Calyx gamosepalous beyond the disc. Petals 

 imbricate, upper one erect, spreading (standard), 2 lateral free 

 parallel horizontal (wings), 2 lower connate into a boat-shaped 

 organ (keel). Stamens lo. Disc turbinate or cylindric. 



i. ViciE^. Climbers, slender. 



Leaves even-pinnate ; flowers racemose ; stamens 

 9 and I abortive ; pod dehiscent ; seeds red 

 with a black spot . . . . . i . Abrus 



ii. Geniste^e. Shrublets or herbs. Stamens monadelphous ; pod dehis- 

 cent not jointed; leaves simple or trifoliate. 



Anthers uniform ; keel-petals scarcely cohering ; 



prostrate annual . . . . .2. Rothia 



Erect shrubby herbs ; anthers dimorphous ; keel- 

 petals firmly cohering ; racemes terminal ; 

 pods turgid . . . . . • 3- Crotalaria 



iii. Cajane^. Shrubs or climbers. Leaves gland-dotted below; leaves 

 trifoliate (except Flemingia and Eriosema unifoliate). Upper stamen free. 

 Climbers; seeds 3 to 8. 



Pods with 6 to 8 seeds, not depressed between 



seeds ....... 4. Dunbaria 



Pods with 3 to 6 seeds, depressed between 



each . . . . . . .5- Atylosia 



Shrubs; pods i- to 2-seeded, turgid. 



Slender twiggy plant; leaves i -foliate narrow 



linear; corolla exsert .... 6. Eriosema 



Bushes; leaves i- to 3-foliate, broad; corolla 



not exsert ...... 7. Flemingia 



iv. Phaseole^. Leaves trifoliate not gland-dotted; petals equal; 

 stamens diadelphous. 



Style bearded below stigma ; slender climbers, 

 rarely bushes ; pod many-seeded. 

 Stigma oblique. 



Keel spiral 8. Phaseolus 



