•i^O XLVIIl. LF.GL'MIXOS.F.. 



70. DICHROSTACHYS, DC. 



Shrubs. Leaves 2-pinuate. Leaflets usually small, luultijugate. 

 Flowers 5-merous, minute, polygamous, in solitary or twin peduncled 

 spikes, perfect in the upper half of the spike, those of the lower half 

 bearing long filiform staminodes. Calyx campanulate, shortly toothed. 

 Petals cohering below the middle, valvate. Stamens in the hermaphro- 

 dite flowers lU, free, shortly exserted : anthers gland-crested. Ovary 

 subsessile ; ovules many ; style filiform ; stigma terminal, truncate. 

 Pod linear, compressed, twisted up when ripe, continuous within, in- 

 dehiscent, or the valves separating irregularly from the sutures. Seeds 

 obovoid, compressed. — Uistkib. Tropical Asia, Africa, and Australia ; 

 species 5. 



1. Dichrostachys cinerea, Wir/?u Sf Am. Prodr. (1834) p. 271. 

 A much-branched thorny shrub, sometimes a small tree ; bark light- 

 colored, furrowed ; branchlets ending in spines. Leaves 2-pinuate, 

 1|-2| in. long; main rhachis more or less softly pubescent, with a 

 small erect gland between each pair of pinntc ; stipules f^-^ in. long, 

 subulate from a triangular base ; pinnte 8-14 pairs, |-^ in. long, sessile 

 or nearly so. Leaflets minute, sessile, 12-20 pairs, close, linear, oblique, 

 subacute. Flowers numerous, crowded in dense axillary or extra-axillary 

 spikes 1-1 1 in. long, the upper half of the spike yellow, the lower red. 

 Calyx 3^^ in. long, membranous. Corolla yL__i^ in. long. Stamens, of 

 the perfect flowers in the upper half of the spike yellow. Staminodes 

 in the lower half of the spike ^ in. long, much longer than the stamens, 

 red. Pods 2-3 by ;j-g in., glabrous, flat, subarticulated, dark brown, 

 twisted up when ripe. Seeds 0-10. Fl. B. I. v. 2, p. 288 ; Grah. Cat. 

 p. 57 ; Dalz. «S: Gibs. p. 84 ; Wight, Icon. t. 357 ; Trim. Fl. Ceyl. v. 2, 

 p. 121 ; Talb. Trees, Bomb. ed. 2, p. 149 ; Woodr. in Journ. Bon)b. Nat. 

 V. 11 (1898) p. 428 ; Watt, Diet. Econ. Prod. v. 3, p. 109.— Flowers : 

 Sep.-Oct. Veen. Sic/am Kdti. 



Deccan: common on dry stony hills; Poona, Con/rcl, Woodmi:'.; Eadami, Jetir, 

 Woodrow. S. M. Countky : Padsliapiir, EUchir, lOof) ! Kanaka : culti\ated in 

 N. Kanara, Talhot.—D\STK\vi. India (N.W. Pruviuce?, Central India, Kajpiitana, 

 \V. Peninsula) ; Cejlon, Malay Islands, N. Australia. 



77. LEUC-ffiNA, Benth. 



Unarmed trees or shrubs. Leaves 2-pinnate ; stipules setaceous or 

 small. Flowers 5-merous, sessile, usually hernuiphrodite, in globose 

 heads ; peduncles axillary, siibfasciculate, or the upper arranged in a 

 terminal leafless raceme ; bracts usually 2. Calyx tubuloso-campanulate, 

 shortly toothed. Petals free or nearly so, valvate. Stameus 10, free, 

 much exserted ; anthers not gland-crested. Ovary stalked ; ovules 

 many; style flliform ; stigma small, terminal. Pod stalked, strap- 

 shaped, flat, coriaceous, continuous within, dehiscent. Seeds transverse, 

 ovoid, couipressed. — Disxeib. Species 8, chiefly Anierican. 



1. Leucsena glauca, Benth. in Hook. Journ. Bot. v. 4 (1842) p. 416. 

 A large erect slirub or small tree 0-20 ft. high, unarmed. Leaves 

 2-piunate, 3-7 in. long ; main rhachis slender, channelled, pubescent, 

 ending in a weak spiiu^ ; petioles 1-2 in. long ; piniue 3 -(i pairs, 2-3i^ in. 



