LXVIII. SAPINDACE^. 353 



[Sub-orders, tribes and genera of Sapindacew according to the authors of the 

 ' Genera Plantarum ' : — 



Sub-order I. SiPlNDJiJ!. — Stamens inserbed witliiii the disk, around the base of the ovary, 

 or unilateral. Seeds exalbuminous. Leaves rarely opposite. 



A. Flowers usually irregular and 4-petalous. Disk unilateral or very oblique. 



* Ovules solitaiy. — Urvillea, Serjania, Toulicia, Gardiospermum, PauUinia, Hemigyrosa, 

 Erioglossum, Schmidelia, &c. 



* * Ovules 2 or more in the cells. — Kcelreuteria, Gossignia, ^sculus, Uagnadia, Stoohsia, 

 Bvplopeltis, Mngorda, &c. 



B. Flowers regular or nearly so. Disk complete. 



* Ovule usually solitary. Fruit capsular. — Oupania, Thouinia, Batonia, Atalaya, &c. 



* * Ovule solitary. Fruit indehiscent, not lobed. — Talisia, Hippubromus, Meliaocca, 

 Schleicher a. 



* * * Ovule solitary. Fruit indehiscent, deeply lobed, or of 1-3 cocci. — Sapindus, Euphoria, 

 Oapura, Pappea, Beinhollia, Pometia, Nephelium, Heterodendron. 



* * * * Ovules 2 or more. — RarpulKa, ? Eypelate, Xanthoceras, Llagunoa. 



Sub-order II. Aoeeinb.*. — Flowers regular. Sepals and petals (when present) isomerous. 

 Stamens variously»inserted. Ovarian cells 1-2-ovuled. Fruit with indehiscent lobes. Seeds 

 exarillate, albuminous. Leaves opposite. See order Acerinece, p. 354. 



Sub-order III, Dodone^. — Flowers regular. Sepals and petals (when present) isomerous. 

 Disk or complete. Stamens inserted outside the disk (when present), or between its lobes. 

 Ovarian cells 1— 2-ovuled. Fruit various. Seeds albuminous. Leaves very rarely opposite. 

 Doduncea, Alectryon, Distichostemon, Pteroxylon, Alvaradoa, Aiionia. 



Sub-order IV. Melianthej!. — Flowers irregular. Stamens inserted within the disk, 

 hypogynous. Seeds albuminous. Embryo straight. Leaves opposite. See order Melianthece, 

 p. 358. 



Sub-order V. Staphylej:. — Flowers § , regular. Stamens inserted outside the disk at 

 its base. Seeds albuminous. Embryo straight. Leaves opposite. See order Staphyleacecp-, 

 p. 344— Ed.] 



This family is very closely allied to Acmnece and Malpighiacece, as well as to Hippocastane<s and 

 Staphyleacecp (see these families). It has equally an affinity with Melianthea, which only differ in their 

 albuminous seed. Through Staphyleaced it is also connected with Celastrineee ; but is distinguished from 

 them by its generally compound leaves, often irregular flowers, rarely isostemonous petals, stamens in- 

 serted within the disk,' calyx with free sepals, and generally curved embryo. 



Sapmdaeees abound in tropical regions, especially in America ; they are rare beyond the tropic of 

 Capricorn, and have not yet been observed north of the tropics, except in the North of China and in 

 India (^Xanthoceras ') ; Dodoneea abounds in Australia. 



Sapindacece possesj very various properties: JNfany contain astringent and bitter priilciples, sometimes 



' They are inserted outside the disk in Dodoneea and ^ Kcelreuteria, Stocksia, Vngnadia, Cardiospermum, 



other undoubted Sapindace<e. — Ed. and Sapindus offer other exceptions. 



A A 



