BUESEEACEAE. 73 



amous, dioecious, or rarely perfect, solitary, spieate, 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. Stig-mas 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. SiMAROUBA. 



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

 equally pinnate. 2. Picramnia. 

 Fruit samaroid : flowering racemes drooping. 3. Alvaeadoa. 



1. SIMAEOUBA 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. S. 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- 

 puri:)le.- — Hammocks, U. keys, L. keys. — [E. K.] — (Bah., Cuba, Ant.) — 

 Paradise-tree. Bitter-wood. 



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

 the leaflets thickish. Flowers dioecious, spieate 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.) — Bit- 



TERBUSH. 



Family 8. BURSERACEAE. Torchwood Family. 



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

 1-3-foIiolate. 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. ELAPHKIUM 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, A7it.) — West-Indian birch. Gumbo-limbo. Gum-elemi. 



Family 9. MELIACEAE. Mahogany Family. 



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

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



