LEGUMINOSjE. 
321 
Acacia arborea maxima, non spinosa, pirinis majoribus, florc 
albo, siliqua contorta cocci noa ventricosa elegantissima, Sfoane, 
II. t. 182. f. 1 , 2. — Mimosa arborea, Proiane, 252. — Sicartz, 
Obs. 390. — Acacia arborea, Willd. Spec. PI. IV. 1064. 
HAB. Common in the mountains. 
FL. July. 
A lofty tree with spreading branches : branchlets brownish, 
rimulose, striated. Leaves 9-12 inches long: pinnae 12-16- 
paired, 5-6 inches long: leaflets 20-30-paired, shortly petiolu- 
led, ovali-oblong, unequal at the base, bluntish : common petiole 
roundish, angulose, ferrugineo-velutine, with a roundish de- 
pressed green glandule between each pair of pinnae : partial 
petioles terete, ferrugineo-velutine : petiolules very short, green, 
incrassated. Heads of flowers axillary, two together, peduncled : 
peduncles at right angles from each other, 2 inches in length, 
terete, ferrugineo-velutine : flowers whitish flesh-coloured, nu- 
merous. Calyx tubulose, 5-dentate, coloured, pubescent at the 
mouth. Corolla more than twice the length of the calyx, 5-fid. 
Filaments numerous, delicately capillary, matted : anthers mi- 
nute. yellow. Legume roundish, contorted, scarlet, 4-5 inches 
in length ; valves coriaceous, internally blood-coloured : seeds 
spherical, black, shining. 
This is a valuable timber-tree, well adapted for flooring. 
1 may here mention that A. Bancroftiana of Bertero has 
proved to be CiESALPiNiA rijuga. 
* # # Petals imbricated ; stamens perigynous. 
Tribe IX. Geoffrece. 
Filaments variously connected. 
XL. Arachis. 
Calyx long, tubulose, pedicel liforni, with the limb 
2-lipped. Corolla resupinate. Stamens inserted with 
the petals in the throat of the calyx, 9 of them con- 
nected and fertile, the 10th free and sterile. Ovary 
stipitate; the stipe shortly after the opening of the 
flower elongated. Legume ovato-oblong, obtuse at 
both ends, gibbous, torulose, venoso-reticulated, cori- 
aceous, indehiscent, 2-4-seeded : seeds thick, oily 
within ; embryo straight ; radicle short, obtuse ; co- 
tyledons semiellipsoid. — De Cancl. 
Name , derived from Aracos or Aracidna, a plant which, ac- 
cording to Pliny, had neither stem nor leaves, but was all root. 
VOL. i. Y 
