33^ 134- SAPINDACEAE 



19. Sepals imbricate in bud, finally slashed. Stamens 8 — 10, bent twice in the 



bud. Ovary 3-celled. Seeds with an aril ; embryo almost straight. 

 Trees. Flowers in axillary racemes or panicles. — Species 2. Central 

 Africa. Flowers fragrant, used for preparing an aromatic water. 



Lecaniodiscus Planch 

 Sepals valvate in bud. Stamens 8 20 



20. Ovary 2-celled. Fruit indehiscent. Seeds with an aril 21 



Ovary 3-celled 22 



21. Fruit covered with wart-like protuberances. Aril free from the seed- 



coat. — Species i (L. chinensis Sonn.) Cultivated in the tropics 

 and naturalized in the Mascarene Islands. It yields timber, edible 

 fruits, and medicaments. (Under Nepheliitm L. or Euphoria Commers.) 



Litchi Sonn. 



Fruit covered with soft spine-like processes or glabrous. Aril adnate to 



the seed-coat. ■ — Species i {N. lappacewn L., Rambutan). Cultivated 



in the tropics. It yields edible fruits and fat-containing seeds. (Under 



Euphoria Comm.) Nephelium L. 



22. Fruit dehiscent. Seeds with an aril. Calyx cup-shaped. Flowers in 



axillary panicles. — Species i. Mascarene Islands. Yields timber 

 ' (iron-wood), edible fruits, and oily seeds. (Under Nephelium F.) 



Stadmannia Lam. 



Fruit indehiscent. Seeds without an aril. Calyx top-shaped. Flowers 



In racemes or panicles springing from the older parts of the stem. — 



Species 3. Central Africa Placodiscus Radlk. 



23. (14.) Calyx 5-lobed ; lobes open or slighth' imbricate in bud. Stamens 



6 — 10 24 



Calyx 5-parted 27 



24. Calyx urn-shaped. Petals with a scale adnate by a ridge. Fruit indehiscent, 



3-lobed, with a leathery pericarp. Seeds without an aril. Inflorescences 

 arising from the older branches. Leaves pinnate. (See 13.) 



Chytranthus Hook. fil. 



Calyx cup- or saucer-shaped, small. Petals with a scale adnate by the 



margins, or with a free scale, or without a scale. Fruit dehiscent. 



Seeds with an aril 25 



25. Petals hairy, without a scale or with the inflexed margins prolonged into 



small scales. Ovary lobed. Pericarp leatherv. Leaves simple, un- 

 divided, oblong. — Species 4. East and South Africa. They yield 

 timber, edible fruits, and oily seeds. (Under Sapindus L.) 



Pappea Eckl. & Zeyh. 



Petals with a free scale or with a scale adnate by the margins. Leaves 



pinnate 26 



26. Petals with a scale adnate by the margins, hence funnel-shaped. Disc 



clothing the base of the calyx. Filaments hairy. Fruit 3-angled, almost 

 glabrous. Inflorescences axillary. — Species 5. Central Africa. 

 Some 3'ield timber. (Under Blii'Jiia Koen.) . . Phialodiscus Radlk. 



