292 L. LEGUMINOSJ;. (J. G. Baker.) [Acrocarpus. 



distinct midrib nearer the upper side and conspicuous veinlets. Heads globose, form- 

 ing an ample patent panicle; with compound spreading lower branches. Flowers some- 

 times pentamerous. Corolla in. Pod distinctly stalked, nearly straight, 1^-2 in. 

 by ^-| in., glossy, finely reticulato-venulose, 6-S-seeded. 



126. ACROCARFUS, W. & A. 



An erect unarmed tree. Leaves bipinnate. Flowers racemed. Calyx cam- 

 panulate, cleft about half-way down into 5 equal lanceolate teeth, the disk com- 

 pletely investing the tube. ^Petals oblanceolate, equal, half as long again as the 

 calyx. Stamens 5, exserted, straight, equal ; anthers uniform. Ovary stalked, 

 linear, many-ovuled ; style incurved, very short, stigma small terminal. Pod 

 long-stalked, flat, ligulate, many-seeded, with a wing down the upper suture. 

 DISTKIB. A single species. 



1. A. fraxinlfolius, Wight Ic. t. 254 (excluding the leaf); Arnott in 

 Jardine Mag. ii. 547 ; Wight III. p. 198 ; Bedd.-Fl. Sylv. ,t. 44. A. combreti- 

 florus, Teysm. $ Binnen. ; Walp. Ann. vii. 811. 



- NILGHIRIS, Wight, Beddome, Brandis. SIKKIM, Hook. fil. DISTRIB. Sumatra. 



A large unarmed erect tree, 50 feet high before it forks. Pinna 8, a foot or more 

 long; leaflets 10-12, nearly sessile, oblong, rather oblique, glabrous, subcoriaceous, 

 3-4 in. long. Flowers in dense simple racemes produced in February, when the leaves 

 are fallen ; pedicels short, drooping. Calyx \ in. Petals scarlet, slightly imbricated 

 in bud. Filaments twice the length of the corolfa. Ovules about 15. Pod long- 

 stalked, thin, flat, with a wing down the upper suture. 



127. ACACIA, Willd. 



Spinose or prickly shrubs or trees, erect or climbing. Leaves bipinnate, 

 with minute leaflets. Flowers in gloooseheads or cylindrical spikes, herma- 

 phrodite or polygamous, usually pentamerous. Calyx campanulate or funnel- 

 shaped, shortly toothed. Petals exserted, united in the lower half. Stamens 

 free, indefinite, much exserted ; anthers minute, not gland-crested. Ovary stalked 

 or sessile, many-ovuled ; style filiform, stigma minute capitate. Pod ligulate 

 or oblong, not 'jointed; usually compressed and dry, dehiscent or indehiscent, 

 rarely turgid or subcylindrical, sutures straight or wavy, not thickened. DISTKIB. 

 Species 430, the foliiferous groups cosmopolitan in the tropics, the great phyllo- 

 dineous series, which comprises two-thirds of the genus, almost restricted to 

 Australia. 



A. 'melanoxylon, E; Br., and A. dealbata, Link, both Australian species, have been 

 extensively planted in the Nilghiris. 



SERIES I. G-ummiferae globiferae. Erect shrubs or trees. Sjrines 

 long and straight. Stipules spinescent. Flmvers in rounded he^ds. 



1. A. Farnesiana, Willd.; DC. Prodr. ii. 461; pinnse 8-16, leaflets 

 20-40, heads axillary, pod thick short cylindrical glabrous with straight 

 sutures biserial seeds and pulpy mesocarp. Wall. Cat. 5264, excl. 1. ; Bcdd. 

 Fl. Sylv. t. 52. Mimosa Farnesiana, Linn. ; Roxb. Hart. Beng. 40 ; Fl. Ind. 

 ii. 557. Vachellia Farnesiana, W. 9f A. Prodr. 272 ; Wt. Ic. t. 300. Acacia 

 indica, Desv. ; DC. Prodr. ii. 462. Farnesia odora, Gaspar in Linneea, 1839, 

 Litter. 134. 



HIMALAYAS to CEYLO>* and PENANG, DISTRIB. Cosmopolitan in the Tropics, but 

 often planted. 



A shrub or low tree, with slender zigzag branches, marked with grey dots. Spines 

 stipular only, seldom over | \ in. long on the branchle ts. Leaf-r&cbises downy, with 

 a minute petiolar gland; pinnse 1-1$ in. long; leaflets green, subglabrous, rigidly 



