764 | MELIACEAE 
notehed.—-( ALVARADOA.) —Hammocks, Everglade Keys, Fla.—(JF. I., Mex., C. 
4.) —Al1l year. 
FamMity 122 BURSERACEAE- ToncHwoop 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—About 20 genera and 325 species, mostly of trop- 
ical regions. 
. ELAPHRIUM 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 
acq.]—About 80 species, mostly of tropical 
America. . 
1. E. Simaruba (L.) Rose. Tree, becom- 
. ) 
ing 20 m. tall: with soft wood and smooth 
reddish bark: leaflets 3-7; blades oval or 
It is the only deciduous-leaved tropical tree among its evergreen associates. A 
rapidly. 
Famity 13. MELIACEAE-  MAHOGANY FAMILY 
hru 
pinnately 1-3-compound. Flowers perfect or polygamo-dioecious, panicu- 
late. Calyx of 3-5 sepals. Corolla of 3-5 petals. Androecium of 8-10, 
Gynoecium of 3-5 united carpels. Ovary 3-5-celled. Fruit a berry, a 
capsule, or a drupe.—About 50 genera and 700 species, most abundant in 
the tropics. 
Fruit drupaceous, clustered, drooping: androecium and style FODER "a 
l . MELIA. 
Fruit capsular, solitary, erect; androecium and Style short. 2. SWIETENIA. 
1. MELIA L. Trees with variegated wood. Leaf-blades thrice unequally 
pinnate. Sepals 5 or 6. Petals 5 or 6. Staminal tube elongate, the lobes 
