BURSEEACEAE. 73 



amous. dioecious, or rarely perfect, solitary, spicate, racemose, or panicu- 

 late. Calyx of 3-5 sepals. Corolla 3-5 petals, or wanting. Androecium 

 of as many stamens as there are sepals or twice as many, or rarely very 

 many. Gynoecium of 2-5 more or less united carpels. Ovary usually 

 lobed. Stigmas mostly introrse. Fruit a drupe or a samara, or baccate 

 or capsular. 



Fruit drupaceous : flowering panicles erect. 



Carpels becoming distinct, forming simple drupes : leaf-blades equally pinnate. 



1. SlMABOUBA. 



Carpels permanently united, forming a berry : leaf -blades un- 

 equally pinnate. 2. PICBAMNIA. 

 Fruit samaroid : flowering racemes drooping. 3. ALVABADOA. 



1. SIMAKOUBA Aubl. Trees. Leaf-blades abruptly pinnate, the leaflets 

 thick. Flowers monoecious or dioecious, paniculate. Sepals 4 or 5, short. 

 Petals 4 or 5, much larger than the sepals, imbricate. Stamens 8 or 10, each 

 with a fringed appendage at the base. Ovary 4-5-celled, scarcely lobed at the 

 apex: style very short. Fruit a cluster of 5, or fewer, drupes, with the style- 

 base lateral. 



1. 8. glauca DC. Tree sometimes 16 dm. tall: leaflets 6-12; blades oblong or 

 nearly so, 4-8 cm. long, entire: drupes oval, about 2 cm. long, scarlet or dark- 

 purple. Hammocks, U. keys, L. keys. [E. K.] (Bah., Cuba, Ant.) 

 PARADISE-TREE. BITTER-WOOD. 



2. PICRAMNIA Sw. Shrubs or trees. Leaf-blades unequally pinnate, 

 the leaflets thickish. Flowers dioecious, spicate or racemose. Sepals 3-5, 

 short. Petals 3-5, imbricate or wanting. Stamens 3-5, unappendaged. Ovary 

 2-3-celled, not lobed: style very short. Fruit a berry. 



1. P. pentandra Sw. Shrub or small tree: leaflets 5-7; blades elliptic to 

 oblong-elliptic, or rarely ovate, 5-10 cm. long, lustrous above: berries oblong, 

 10-15 mm. long. Hammocks, U. keys. [E. K.] (Bah., Cuba, Ant.)Bm- 



TERBUSH. 



FAMILY 8. BURSEEACEAE. TORCHWOOD FAMILY. 



Trees with a resinous sap. Leaves alternate : blades pinnate, rarely 

 1-3-foliolate. Flowers perfect or polygamo-dioecious, racemose or panicu- 

 late. Calyx of 3-6 sepals. Corolla of 3-6 petals. Androecium of 6-12 

 stamens. Gynoecium of 2-5 united carpels. Fruit drupaceous, the epi- 

 carp sometimes valvate. 



1. ELAPHBIUM Jacq. Trees. Leaves approximate at the ends of the 

 branches: leaflets thick. Sepals 4-6, imbricate. Petals 4-6, mostly valvate. 

 Stamens 8-12, erect. Ovary 3-5-celled. Drupe with a valvate epicarp. 

 [Bursera Jacq.] 



1. E. Simaruba (L.) Rose. Tree, becoming 20 m. tall: leaflets 3-7; blades 

 oval or elliptic, varying to ovate or obovate, 3-5 cm. long, entire: racemes 5-10 

 cm. long: petals 2-2.5 mm. long: drupes oblong, 8-11 mm. long, or rarely 

 smaller, the epicarp 3-valved. Hammocks, U. keys, L. keys. [E. K.] (Bah., 

 Cuba, Ant.) WEST-INDIAN BIRCH. GUMBO-LIMBO. GUM-ELEMI. 



FAMILY 9. MEUACEAE. MAHOGANY FAMILY. 



Shrubs or trees, or partially woody herbs. Leaves alternate: blades 

 pinnately 1-3-compound. Flowers perfect or polygamo-dioecious, panicu- 



