Acacia. ] - LEGUMINOSE (Harv.) 281 
Has. Ongeluk’s Fontein, Burchell, 2267. Vaal River and Aapjes River, Burke § 
Zeyher ! (Herb. Hk., Sd.) 
‘All the younger parts hairy. Leaflets 3 lines long, 3 line wide, ciliolate or gla- 
brate. Peduncles 1}-2 inches long, the bracts deciduous, minute. Legumes 2-3 
inches long, turgid, ochraceous. 
6. A. arabica (Willd. sp. 4, 1085) ; tomentoso-pubescent ; stipular- 
spines long or short, subulate or robust, at length white, straight, or 
subrecurved ; pinne 4-8-jugate, with scutelliform glands and often a 
large petiolar gland ; leaflets 10-20-jugate, oblong-linear, obtuse, green, 
glabrous or ciliate ; peduncles axillary, bracteate in the middle ; heads 
globose; legume flat, linear, moniliform, tomentose, at length glabrescent, 
coriaceous, pulpy within. Benth. L. J. 1, 500. H. Mey. Comm. p. 168, 
Has. Near Port Natal, Drege, Krauss! (Herb. Hk., D., Sd.) 
A native of North Africa and Arabia, producing the gum-arabic of conimerce. The 
Natal specimens belong to Bentham’s var. B. Kraussiana, and have generally long 
spines, and a deeply crenate, but scarcely moniliform, tomentose pod. The peduncles, 
besides the terminal head, have sometimes flowers at the medial bracts. 
”. A. hirtella (E. Mey. Comm. p. 167) ; twigs, petioles, and leaflets 
minutely hairy ; spines straight, subulate ; pinnz 6-8-jugate, with 
small glands; leaflets 10-15-jugate, oblong-linear ; peduncles glabres- 
cent, bracteate in the middle ; legume stipitate, narrow-linear, subfalcate 
flat, glabrous. Benth. Lond. Journ. 1, p. 502. : 
Has. Between the Omcomas and Omblas, Drege! (Herb. Sd.) 
I have not seen a legume ; the foliage is like that of 4. Arabica, B. 
8. A. horrida (Willd. Sp. 4, 1082); glabrous; stipular spines short 
or long (on the older twigs longest), straight, ivory-white ; twigs, pedun- 
cles, and petioles angular ; pinne 2-5-jugate, with small glands ; leaflets 
5-12-jugate, oblong-linear, obtuse or subacute; peduncles bracteate in 
the middle, the upper ones fasciculate-racemose ; petals with revolute 
points; legume long, linear, flat, faleate, glabrous, coriaceous. Benth. 1. 
c. p. 502. A. Capensis, Burch. B.& Z. 1695. : 
Has. the Colony. (Herb. Hk., Sd., D. 
Has. Con ae n, or ores mm, of the nats: Spines 3 inch 
to 2-3 inches long, very sharp. Leaflets 3-4 lines long, 1-1} wide. Legume 4 
inches long, 3 lines wide, with straight or irregularly sinuous margins. 
9. A. robusta (Burch. Trav. 2, p. 442); glabrous ; stipular spines 
valid, short, or some long, white ; pinne 2—4-jugate, with 1-2 jugal 
glands, and no petiolar ; leaflets 8-13-jugate, oblong-linear, obtuse ; pe- 
duncles axillary, bracteated below the middle; heads globose, legume 
straight or subfalcate, lanceolate-oblong, acute, coriaceous, flat, at length 
convex, obliquely veiny, tapering at base into a short stipe. Benth. Lond. 
Journ. 1, p. 501, and 5, p. 96. A. clavigera, E. Mey? Comm. p. 168. 
Has. Interior of the — Burchell. Rhinoster Kop and Magaliesberg, Burke $ 
Zeyher ! (Herb. Hk., D., J 
"A tree 20-30 feet high, with a very thick trunk, and thick branches and twigs. 
Bark of the twigs and branches a reddish brown. Leaflets deep green above, pale 
beneath and somewhat veiny, 3}-4 lines long, 1} wide. Unripe legumes 2-2} i 
long, ¢ inch wide, 1-2-seeded, Native name Mékwi or Mokala-mékwi. 
10, A. Natalitia (E. Mey. Comm. p. 167); glabrous; stipular spines 
