134- SAPINDACEAE 34I 



Ovary lobed or divided. Stamens 12 — 24. Leaves with sunken glands. 

 Fruit separating into mericarps 44 



44. Fruit winged ; pericarp leathery. Ovary 2-celled. Stamens 20 — 24. 



Sepals densely clothed with silky hairs. Leaflets 4, with conspicuous 

 veins. — Species i. Island of Mauritius. The seeds contain oil. 



Hornea Bak. 

 Fruit not winged ; pericarp fleshy. (See 38.) DeinboUia Schum. & Thonn. 



45. (2.) Flowers irregular. Petals 4. Disc one-sided. Ovary 3-celled. Fruit 



capsular 46 



Flowers regular or nearly so. Petals 5 or o. Disc complete or indistinct. 48 



46. Petals with along claw and a crisped scale, red. Disc cup-shaped. Sta- 



mens 8. Ovary stalked. Fruit inflated, bursting irregularly. Seeds 

 with a red, bony testa and a spiral embryo. Shrubs. Leaves un- 

 equally pinnate with a winged rachis and 11 — 13 leaflets. — Species 2. 



South Africa and Madagascar Erythrophysa E. Mey. 



Petals with a short claw and without a scale. Disc flat. Ovary sessile. 

 Fruit opening regularly. Seeds with a leathery or crusty testa. Leave= 

 with 3—10 leaflets clothed with stellate hairs 4/ 



47. Stamens 5 — 6. Fruit with septifragal dehiscence. Embryo spirally 



twisted. Leaves unequally pinnate, with 3 — 7 leaflets. — Species 2. 

 Madagascar and Mascarenes. Yielding timber. . Cossignia Comm. 

 Stamens 8. Fruit with loculicidal dehiscence. Embryo curved. Leaves 

 equally pinnate, with 6 — 10 leaflets. — Species 3. Tropics. [Majidea 

 Kirk) HarpuUia Roxb. 



48. Petals present. Stamens 8. Ovary 3-celled. Leaves equally pin- 



nate 49 



Petals absent 5^ 



49. Disc somewhat one-sided. Petals green or yellowish. Fruit capsular. 



Leaves with 8—10 leaflets. (See 47.) .... HarpuUia Roxb. 

 Disc equal-sided. Petals red or reddish 50 



50. Leaves with 4 — 6 leaflets. Petals with the margins bent back at the 



base. Fruit capsular, 3-celled. — Species i. Madagascar. 



Conchopetalum Radlk. 



Leaves with 8 — 14 usually serrate leaflets along a winged rachis. Petals 



minutely toothed. Fruit indehiscent, leathery, usually i-celled. — 



Species i. South Africa Hippobromus Eckl. & Zeyh. 



51. Disc indistinct. Stamens 5 — 15, usually 8. Ovary 2—6-, usually 3- 



celled. Stigma lobed. Fruit capsular, 2 — 6-celled. Embryo spirally 

 twisted. Leaves usually simple. — Species 4. Tropical and South 

 Africa. They yield timber, medicaments, and edible fruits ; the 



beaten branches are used as torches. Dodonaea L. 



Disc distinctly developed. Stamens 4—5. Ovary 2-celled. Fruit in- 

 dehiscent, usually drupaceous and i-celled. Embryo not spiral. Leaves 

 pinnate 52 



