SAPINDACE^. (SOAP-BERBT FAMILY.) 85 



Synopsis. 



Tribe I. DODONE^. Ovules 2 - 3 in each cell. Embryo spirally coiled. Cotyle- 

 dous distinct. — Leaves alternate. 



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



Teibe II. SAPINDE^. Ovules usually solitary. Embryo curved or straight. Coty- 

 ledons distuiot. — 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. CARDIOSPERMUM Ovules solitary. Petals 4, irregular. Fruit a bladder-like capsiile. 

 Tribe III. HIPPOCASTANE.33. Ovules 2 in each cell. Embryo roundish. Coty- 

 ledons very thick and partly united. Leaves opposite. 



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



Tribe IV. ACERINE^E. Ovules 2 iu each celL Embryo coiled or folded. Cotyledons 

 distinct. Styles 2, separate. Fruit a double samara. Leaves opposite. 



6. ACER. Flowers polygamous. Leaves simple, palmately nerved. 



7. NEGUNDO. Flowers dioecious. Leaves pinnate. 



L DODONJEA. L. 



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

 mens 5 - 8 ; anthers thick, on short filaments. Ovary 3 - 4-celled, with 2 ovules 

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

 Capsule membranaceous, 2-4-winged, septicidally 2-4-valved, the cells 1-2- 

 seeded. Embryo spirally coiled. ^ Trees or shrubs, with chiefly simple 

 leaves, and axillary or terminal whitish or greenish flowers. 



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

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

 seeded. — South Florida. — Shrubs 6° - 10° high. Flowers greenish. 



2. HYPELATE, P. Browne. 



Calyx 3-5-parted. 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-lobed. Drupe globose, 1 - 2-seeded. Embryo erect. Trees with alternate 

 trifoliolate or abruptly pinnate leaves, and clustered or panicled polj'gamous 

 flowers. 



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

 ceous, glabrous, entire ; panicles corymbose, slender, axillary, longer than 

 the leaves, few-flowered ; calyx 3 - 4-parted, pubescent within ; petals 4, 

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

 branches. Leaflets 1' long, with fine oblique parallel veins. Flowers small, 

 white. Stamens 6-8. 



2. H. paniculata, Don. Leaves abruptly pinnate ; leaflets 2 or 4, ob- 

 long, obtuse, entire, smooth, opposite ; panicles axillary and terminal, with 

 compressed branches ; flowers hoary-tomentose ; calyx lobes and petals 4, 

 rounded ; cells of the ovary 2-ovuled. — South Florida. — Branches purplish, 

 dotted with white. Leaflets 2' -3' long. 



