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seven-paired, outer eight to eleven-paired: leaflets linear, acute, 

 smooth: the spines in pairs white, purple at the tip: the flowers in 

 a globular head, axillary and solitary, first sessile, then peduncled, 

 shorter than the leaves: the legumes compressed, and attenuated at 

 the base. It is a native of the East and West Indies, &c. 



The fourteenth has the flowers many- stamened, very fragrant, 

 yellow, in sessile heads: the petioles have a gland below the leaflets: 

 the legumes are fusiform. On account of the sweetness of its 

 flowers, it has been dispersed through most parts of Europe. It is 

 brought by the Italian gardeners, who bring over Orange-trees, &c. 

 in young plants, under the name of Gazia, It is a native of Saint 

 Domingo, flowering from June to August. 



The fifteenth species is a tree which arrives at a large size in 

 countries where it grows naturally, but in this climate is rarely seen 

 more than eight or ten feet high: it has the habit of the fourteenth 

 sort; differing in having no callous dots upon the branches: the bark 

 is purple: the spines in pairs, and longer than those of the four- 

 teenth : the branches purple, even : the partial leaves about five pairs; 

 between two pairs of the outer ones a gland is inserted into the 

 common petiole: the legumes necklace-shaped, compressed: the 

 joints roundish-rhomb-shaped : flowers many-stamened, in peduncled 

 heads. It is a native of Egypt and Arabia. It is the tree which 

 yields the Gum Arabic. 



The sixteenth has leaves simple, linear, and pungent or hard and 

 prickly at the end, and growing in whorls six or seven together; but 

 it has dissimilar leaves, and the primordial ones, or two or three first 

 leaves which appear on the seedling plants, are bipinnate. It is a 

 native of New South Wales, flowering from March to May. 



According to Mr. Curtis, it is some years in arriving at its- 

 flowering stale. 



The seventeenth is a lofty tree, with an upright smooth trunk, 

 covered with an ash-coloured bark: the branches diverging, bent, 

 down, smooth : the partial leaves twelve-paired : the universal petiole 

 round, striated, ferruginous-pubescent: partial petioles also ferrucri- 

 nous: the glands roundish, concave, between the petioles: the scale- 



2 Q 



