3ii. DRYPETES KEYENSIS FLORIDA WHITEWOOD. 21 



to Longitudinal Pressure, 520; Resistance to Indentation, 407; Weight 

 of a Cubic Foot in Pounds, 58.24. 



USES. Little if any use is made of the wood of this tree owing to 

 its limited abundance and inferior qualities, as compared with many 

 of the woods with which it grows. 



ORDER SAPINDACE^: SOAPBERRY FAMILY. 



Leaves alternate in the American representatives, petiolate, pinnately or 

 palmately compound, without stipules. Flowers regular or slightly irregular, 

 polygamous, dioecious ; calyx 4-5-lobed or divided, imbricated in the bud ; petals 

 4-5, imbricated; disk annular, fleshy; stamens usually 5-10 inserted on the disk; 

 anthers introrse, 2-celled, longitudinally dehiscent ; ovary solitary, with 2-4 lobes 

 and cells or entire ; ovules I or 2 in each cell ; styles terminal. Fruit a drupe or 

 capsule with small solitary seed and containing no albumen. 



Trees, shrubs and a few vines with watery juice and chiefly con- 

 fined to the tropics of the Old World. Over a thousand species are 

 known, grouped in about twenty genera. Of (the arborescent genera 

 five are represented in the United States, all southward. 



GENUS EXOTHEA MACFADYEN. 



Leaves evergreen, evenly pinnate, alternate, without stipules, with petioles 

 l / 2 to i in. long and usually two pairs of subsessile oblong leaflets, 3-5 in. in 

 length, but slightly spreading and tending to fold lengthwise, usually acute or 

 bluntly pointed, cuneate at base, with entire undulate margin, lustrous dark 

 green above and slightly lighter green beneath. Flowers, opening in March or 

 April, regular, about J4 in. across, dioecious or polygamous, in terminal or 

 axillary pubescent panicles ; sepals 5, suborbicular, persistent ; petals 5, white, 

 alternate with the sepals and of about the same size; stamens 7-8, somewhat 

 longer than the petals in the staminate flower and shorter in the perfect flower, 

 inserted with the petals on the somewhat 5-lobed annular disk; filaments fili- 

 form, anthers oblong ; pistil sessile with conical pubescent 2--celled ovary, short 

 style and large terminal stigma turning to one side, ovules two in each cell 

 suspended, anatropous. Fruit, maturing in autumn, a globular I -seeded berry, 

 about l /2 in. in diameter, tipped with the remnants of the style and subtended 

 by the reflexed sepals, dark purple and juicy; seed globular with shining yellow 

 brown coat. 



A genus of the- single following species and the name alludes to its 

 separation from the genus in which it was originally placed. 



