361 
GENUS LXX. ACACIA, 
Polygamia Momeeela. Sex: Syst: 
Deriv. From Akadzo, to sharpen,. in allusion to many. of the 
species being armed with spines. 
Gun. Cuan. Shrubs or trees, unarmed or armed with thorns or 
prickles: leaves.in all the Indian species bipinnated: flowers spik-. 
ed or in globular heads: calyx 4—5-toothed::. petals 4-5, distinct or 
united::: stamens various in number: legume continuous, dry, 2+ 
valved :- seeds. without pulp.. 
(1) A. catecuu. (Willd.) 
Ident. W.& A. prod. I, p. 272.-7Dec. prod. IT: p. 458. 
Syn. A. polyacantha, Willd, Dec. l.¢. p. 459,—A. Wallichi~. 
ana, Dec.—Mimosa catechu, Linn. Roxb. fl.. Ind. V1. p. 563,— 
M. eatechuoides, Roxb. 
Engrav. Roxb. Cor. II. t. 175. 
Serc. Cyan. Tree: branches armed: with stipulary thorns or. 
eccasionally unarmed:: pinne: 10-30 pair:: leaflets 30-50, pair :: 
petiole sometimes armed on the under side with 4 row of prickles. 
with one large gland below the lowest pair of pinna.and between 
the extreme 1-6 pairs: spikes.axillary,. 1-4 together, shorter than. 
the leaves: petals united: stamens numerous :. legumes flat, thin,. 
straight, linear, glabrous, 4—8-seeded: flowers numerous, small, 
white. 
Coromandel. North Concan. Monghyr- and many other parts. 
ef India. Flowering nearly all. the year. The old high-coloured: 
wood is used for making the astringent extract known. under the- 
name of Catechu, formerly called Terra Japonica. 
(2) A. Sunpra. (Dec.) - 
Ident. W. & A. prod. I. p.. 273.—Dee. prod. Ti. p. 458. 
Syn. <A. chundra, Willd.—Mimosa sundra, Roxh. fl. Ind. IT. 
p. 562. we 
Engray. Roxb. Cor. III. t. 225.. 
Srnec. Cuan. Tree, everywhere glabrous: branclies armed with. 
decurrent recurved stipulary prickles, sometimes entirely unarmed : 
pinne 15-20: pair, with a gland.on the petiole below the lowest 
pair and between the extreme. pairs: leaflets 20-40 pair, small,. 
linear, obtuse: spikes 1-3 together, axillary, shorter than the 
leaves: stamens.distinct : legumes flat, thin, lanceolate, few-seeded,, 
occasionally emarginate between. the seeds ; flowers small, yellow. 
Mountains. of Coromandel. Soonderbunds. Flowering in the 
rainy season. This speeies is extremely like A. Catechu and yields 
a similar resin... It principally differs. by heing perfectly glabrops. 
The prickles are sometimes absent on one branch and present. on 
another of the same tree. (W. & A.) 
