44 
BURSERACEJ3. 
f Bur sera. 
the pericarp full of cavities containing volatile oil. Seed solitary. — 
Trees or shrubs, with alternate imparipinnate leaves and copious small 
whitish panicled flowers. Distrib. Tropical, mostly American. Species 
40, none Continental African. 
1. B. obtusifolia, Lam. Encycl. ii. 768. A straggling bush, some- 
times growing into a tree 20-30 feet high, with a trunk a foot thick. 
Petioles terete, 2-3 inches long ; Iqaflets 2-5-jugate, oblong, stalked, 
obtuse, rarely acute, 2-4 inches long, coriaceous, shining, penninerved, 
oblique at the base. Flowers in copious fascicled axillary panicles 
shorter than the leaves ; pedicels very short ; bracts minute, persistent. 
Sepals minute, deltoid, persistent. Petals ^ inch long, falcate when 
expanded. Stamens included. Capsule |-f iuch long and thick, pointed, 
sometimes 1-2-celled and 1-2-seeded by abortion. Marignia obtusi- 
folia, DC. Prod. ii. 79. Deless. Ic. Sel, iii. t. 55. M. acutifolia, Bojer, 
JELort. Mawr. 83. 
Mauritius, in the hill-forests, plentiful on the Pouce. Endemic. Bois Colophane 
bdtard. Gomart. Bois de Marigni. 
2. CANARIUM, Linn. 
Flowers polygamous. Calyx a cup, with 3 valvate deltoid teeth. Petals 
3, oblong, hypogynous, valvate. Disk prominent, annular. Stamens 6, 
inserted at the base of the disk ; filaments short ; anthers minute, 
oblong. Ovary flask-shaped, 3-celled ; ovules 2 in a cell ; style very 
short; stigma 3-lobed. Fruit a drupe, with thin flesh and a bony 
endocarp, 1-celled and 1-seeded by abortion. Seed solitary. — Balsami- 
ferous trees with ample alternate imparipinnate leaves and small 
flowers in ample panicles. Distrib. Species 50, nearly all tropical 
Asian, 2 Continental African. 
1. C. Colophania, Baker. An erect tree, 30 to 50 feet high. Petioles 
2-3 inches long, alternate ; leaflets 5-9, distinctly stalked, oblong, 
4-6 inches long, acute, cordate at the base, glabrous, moderately firm, 
penninerved, the distant main veins connected by intramarginal arches. 
Panicles ample, axillary and terminal ; branches curved, angular, brown- 
velvety ; flowers clustered towards the end of the branchlets, on very 
short pedicels. Calyx -§- inch long, brown- velvety, with 3 short teeth. 
Petals little longer than the calyx. Stamens included. Bursera panicu- 
lata, Lam. Encycl. iii. 768. Colophania mauritiana, DC. Prod. ii. 79 ; 
Deless. Ic. $el. iii. 56. 
Mauritius, in the forests of the interior, as of the Pouce and about Curepipe. 
Endemic. Bois Colophane. 
Order XXV. MELIACEiE. 
Flowers regular, hermaphrodite. Sepals 4-5, deltoid, free or joined 
in a cup. Petals 4-5, valvate or imbricate, hypogynous, deciduous. 
