78 sapindacejE. (soap-berry family.) 



Order 42. SAPINDACE/E. (Soap-berry Family.) 



Trees or shrubs, rarely herbs, with exstipulate alternate or opposite 

 leaves, and chiefly irregular and 7 - 9-androus flowers, imbricated in the 

 bud. — Calyx 4-5-lobed. Petals 4-5, inserted with the sftiniens into a 

 hypogynous or somewhat perigynous disk. Anthers opening lengthwise. 

 Ovary 3-celled, the cells 1 - 2-ovuled. Seeds without albumen. Embryo 

 mostly curved or convolute. Cotyledons incumbent, fleshy. 



Synopsis. 



Tribb I. DODONE^. — Ovules 2-3 in each cell. Embryo spirally coiled. Cotyledoiu 

 disiinct. — Leaves alternate. 



1. DODON.EA. Ovules 2 in each cell. Petals none. Capsule 2- 4-winged. 



Tribe II. SAPIXDKjE. — Ovules usually solitary. Embryo curved or straight. Coty- 

 ledons distinct — Leaves alternate. 



2. HYPELATE. Ovules 2 - 3 in each cell Petals 4-5, regular. Fruit drupaceous. 



3. SAPINDUS. Ovules solitary. Petals 5, regular. Fruit baccate. 



4. CARDIOSPEIIMUM. Ovules solitary. Petals 4, irregular. Fruit a bladder-like capsule. 

 Tribe III. HIPPOCASTAKEjE. —Ovules 2 in each ceU. Embryo roundish. Coty- 

 ledons very thick and partly united. — Leaves opposite. 



6. .SSCULUS. Calyx 5-lobed. Petals 4-5, unequal. — Leaves digitate. 



1. DODONJEA, L. 



Flowers perfect or polygamous. Ctilyx 3 - 5-partcd Petals none. Stamens 

 5-8: antlicrs tliick, on short filaments. Ovary 3-4-ccncd, with 2 ovules in 

 each cell ; tlie upper one ascending, the lower pendulous. Styles united. Cap- 

 sule membranaceous, 2-4-wingcd, septicidally 2-4-valved, the cells 1 - 2-seeded. 

 Embryo spindly coiled. — Trees or shrubs, with chiefly simple leaves, and axil- 

 lary or terminal whitish or greenish flowers. 



1. D. viseosa, L. Leaves viscid, oliovatc-oblong, entire, parallel-veined; 

 raceme, axillary and terminal, shorter than the leaves; capsule ;5-wingcd, 3- 

 Bceded — .South Florida. — Shrubs G° - 10° high. Flowers greenish. 



2. HYPELATE, P. Browne. 



Calyx 3-5-parfcd. Petals 4 -.5, regular. Stamens 6-10, inserted on the 

 inner face of the cup-shaped disk which fills the base of the calyx. Ovary 2- 

 celled, with 2-3 pendulous ovules in each cell. Styles united. Stigma 2-lobcd. 

 Drupe globose, 1- 2-seeded. Embryo erect. — Trees with alternate tiifoliolate 

 or abruptly ])iniiatc leaves, and clustered or panicled polygamous flowers. 



1. H. trifoliata, P. Browne. Loaves trifoliolate ; leaflets obovato, coria- 

 ceous, gbibidus, entire; panicles corymbose, slender, axillary, longer than the 

 leaves, few-flowered; calyx 3-4-partcd, pubescent within; petals 4, ciliate; 

 drupe black, 1-seeded. — South Florida. —A small tree, with brittle branches. 

 Leaflets I'long, with fine obliipie parallel veins. Flowers small, white. Sta- 

 mens fi- 8. 



