86 SAPINDACEAE. 



corymbs. Calyx of 4 or 5 sepals. Corolla of 4 or 5 petals, or wanting. 

 Disk sometimes gland bearing. Androecium mostly of 5 or more stamens. 

 Gynoeciiun of 2^ more or less united carpels. Fruit capsular or baccate. 



Vines : fruit septicidal or septifragal : capsule inflated. 1. Caediospeemum. 



Shrubs or trees : fruit baccate, or if detiiscent, loculicidal. 

 Fruit baccate, not stallied : flowers regular. 



Ovules solitary in each cavity. 2. Sapixdus. 



Ovules 2 in each cavity. 



Ovary 2-celled : ovules collateral : leaflets 2, 4 or 6. 3. Exothea. 



Ovary 3-celled : ovules superposed : leaflets 3. 4. Hypelate. 



Fruit a leathery loculicidally 3-valved capsule, stalked. 5. Cdpania. 



1. CARDIOSPERMUM L. Herbaceous or woody vines. Leaves alter- 

 nate: blades biternate or decompound. Flowers polygamo-dioecious, irregular. 

 Sepals 4. Petals 4, unequal. Disk one-sided, with 2 glands oj)posite the lower 

 petals. Stamens 8. Capsules bladdery. 



Capsules longer than wide, large, over 2.5 cm. long. 1. C. Halicacabum. 



Capsules wider than long, small, less than 2.5 cm. long. 2. C. microcarpum. 



$o'^«7 1. C. Halicacabum L. Leaflets 3; blades ovate to ovate-lanceolate, coarsely 

 serrate, incised or parted: petals 3.5—4.5 mm. long: capsules obovoid. — Ham- 

 mocks and waste places, U. keys, L. keys. — [E. K.] — {Ber., Bali., Cuba, Ant.) 

 — ^Balloon-vine. 



^i)l2. C. microcarpum H.B.K. Leaflets 3; blades relatively smaller and more 

 ' sharply cut than those of C. Halicacahum, usually nearly glabrous : petals 2-2.5 

 mm. long: capsules broadly obpyramidal.- — Hammocks and waste places, L. 

 keys. — {Ber., Bah., Cuba, Ant.) 



V 2. SAPINDUS [Tourn.] L. Shrubs or trees. Leaves alternate: blades 

 pinnate. Flowers polygamous, regular. Sepals 4 or 5. Petals 4 or 5, some- 

 times appendaged. Stamens 8-10. Baccate fruit lobed. 



J-"^ 1. S. Saponaria L. Shrub, or tree becoming 10 m. tall: leaflets 4-7; blades 

 oblong, oval, or obovate, 3-12 cm. long: leaf-rachis winged: mature carpels 

 globose, 14-18 mm. in diameter. — Hammocks, U. keys, L. keys. — [E. K.] — 

 {Cuba, A7it.) — Soapberry, False-dogvtood. 



3. EXOTHEA Maefadyen. Shrubs or trees. Leaves alternate: blades 

 equally pinnate. Flowers mostly polygamous, irregular. Sepals 5. Petals 5, 

 unappendaged, short-clawed. Stamens mostly 8. Baccate fruit not lobed. 



■^ - 1. E. paniculata (Juss.) Eadlk. Tree or shrub: leaflets 2-4, or rarely 6; 

 blades oblong or elliptic, 5-13 cm. long, entire: buds clove-shaped: sepals 3-4 

 mm. long: petals white, resembling the sepals: fruits subglobose, 10-13 mm. in 

 diameter, orange turning purple. — Hammocks, U. keys, L. keys. — [E. K.] — 

 (Bah.. Cuba, Ant.) — Inkwood. Ironwood. 



4. HYPELATE P. Br. Shrubs or trees. Leaves alternate: blades 3- 

 foliolate. Flowers polygamo-dioecious. Sepals 5. Petals 5, unappendaged, 

 clawless. Stamens 8-10. Baccate fruit not lobed. 



i(sQ 1. H. trifoliata Sw. Tree: leaflets 3; blades spatulate to narrowly obovate, 

 2.5—4.5 cm. long: petals white, suborbicular, 1-1.5 mm. long: fruits ovoid, 5-7 

 mm. long, black. — Hammocks, U. keys, L. keys. — {Bah., Cuba, Ant.) — White- 



IRONAVOOD. 



5. CUPANIA [Plum.] L. Shrubs or trees. Leaves alternate: blades 

 pinnate. Flowers polygamo-dioecious, regular. Sepals 4 or 5, rarely 3 or 6. 

 Petals 4 or 5, sometimes appendaged, or wanting. Stamens 8, or 5, 6, 10, or 

 12. Capsule 2-4-lobed. 



