78 sapindaceje. (soap-berry family.) 



Order 42. SAPIIVDACEiE. (Soap-berry Family.) 



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

 lets.-, and chiefly irregular and 7-&-androus flowers, imbricated in the 



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



hypogynous or somewhat perigynous disk. Anthers opening lengthwise. 

 Ovary S-celled, the cells I -2-ovuled. Seeds without albumen. Embryo 

 mostly curved or convolute. Cotyledons incumbent, fleshy. 



Synopsis. 



Tribe I. DODONEJE. —Ovules 2-3 in each cell. Embryo spirally coiled. Cotyledons 

 distinct. — Leaves alternate. 



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



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

 ledons distinct. — Leaves alternate. 



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

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



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

 Tribe III. HIPPOCASTANE-flE. —Ovules 2 in each cell. Embryo roundish. Coty- 

 ledons very thick and partly united. — Leaves opposite. 



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



1. DODON.S1A, L. 



Flowers perfect or polygamous. Calyx 3-5-parted Petals none. Stamens 

 5-8: anthers thick, on short filaments. Ovary 3-4-cclled, with 2 ovules in 

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

 sule membranaceous, 2 -4-winged, septieidally 2-4-valved, the cells 1 -2-secded. 

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

 lary or terminal whitish or greenish flowers. 



1. D. viscosa, L. Leaves viscid, obovate-oblong, entire, parallel-veined; 

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

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



2. HYPELATE, P. Browne. 

 Calyx 3-5-parted. Petals 4-5, regular. Stamens G-10, inserted on the 



rimer face of the cup-shaped disk which (ills the base of the calyx. Ovary 2- 



celhd, with 2-3 pendulous ovules in each cell. Styles united. Stigma 2-lobed. 



Drupe globose, l-2-eeeded. Embryo erect. — Trees with alternate trifoliolate 



or abruptly pinnate leaves, and clustered or panicled polygamous flowers. 



l. H. trifoliata, P. Browne. Leaves trifoliolate; leaflets obovate, coria- 



glabroUS, entire; panicles corymbose, slender, axillary, longer than the 



few-flowered; calyx 3-1 parted, pubescent within; petals 4. ciliate ; 



drupe Mark, l-fleeded. — South Florida. — A small tree, with brittle branches. 



Leaflets 1'long, with flue oblique parallel veins. Flowers small, white. Sta- 

 mens 6-8. 



