298 115- KUTACEAE 



22. CarjK'ls almost free when ripe, some of them rudimentary. Seeds ex- 



albuminous. Ovary distinctly 2 — 4-lobed. Stamens 4. Petals valvate 



in bud. J,eaves digitate. [Subtribe oriciin'AK.] 23 



Carpels united up to maturity, forming a 2 — 7-celled fruit. (^\-ary not 

 or obscurely lobcd. Petals imbricate in bud. [Subtribe toddaliixae.] 24 



23. Carpels 2, one of them rudimentary at maturity. Seeds with equal cotyle- 



dons. Ovary almost glabrous. Petals oblong. Flowers in racemes. 

 — Species I. Equatorial West Africa (Gaboon). . . Diphasia Pierre 

 Carpels 4, of which 1 — 3 are rudimentary at maturity. Seeds with unequal 

 cotyledons. Ovary very hairy. Petals oval. Flowers in panicles, uni- 

 sexual. — Species 4. West Africa Oricia Pierre 



24. Fruit with 2-seeded cells. Seeds albuminous. Flowers 4-merous. Trees. 



Leaves digitate, with 5 leaflets. — Species i. Equatorial West Africa 



(Gaboon) Araliopsis Engl. 



Fruit with i-seeded cells. Flowers unisexual. Leaves digitate with 



3 leaflets, rarelv pinnate with 7 — 9 leaflets 25 



25. Fertile stamens as many as the petals. Flowers 5-merous. Seeds albumin- 



ous ; embryo curved. Climbing shrubs. Leaves digitate. — Species i. 

 Tropics. Yields condiments and is used in medicine. iCrmizia Schreb.) 



Toddalia Juss. 



F^ertile stamens twice as many as the petals. Flowers 2 — 4-merous. 



Embryo straight or almost so 26 



26. Filaments awl-shaped. Flowers 4-merous. Seeds exalbuminous. Shrubs. 



Leaves digitate. — Species i. East Africa. . Toddaliopsis Engl. 



F'ilaments flattened. Seeds albuminous. — Species 30. Tropical and 



South Africa. vSome species yield timber and medicaments. (Under 



Toddalia Juss.) Vepris Comm. 



27. (19.) Ovary 2 — 5-celled, with i — 2 ovules in each cell. Stamens twice 



as many as the petals. [Subtribe limoniinae.] 28 



Ovary 5- or more-celled, with 4 or more ovules in each cell. Leaves with 

 T — 3 leaflets. [Subtribe citrinae.] 32 



28. Ovules solitary in each ovary-cell 29 



Ovules two or more in each ovary-cell. Unarmed plants .... 30 



29. Flowers solitary or in groups of three in the axils of the leaves, 3-, rarely 



4 nierous. Calyx toothed. Seeds usually with unequal and lobed 

 cotyledon'-!. Spiny shrub::-. Leaflets 3, unequal. — Species t. Cul- 

 tivated in tlie tropics. Yields timber, fragrant flowers, and edible 

 fruits. Triphasia Lour. 



Flowers in racemes or panicles, 4 — 5-merous. Cah'x lobed or more deeply 



divided. Leafstalk winged. — Species 10. Tropics. They yield 



timber, edible fruits, oily seeds, and medicaments. . Limonia L. 



3c. Style very short, not jointed with the ovar}'. Leaves unifoliolate. — 



Species I. West Africa Glycosmis Correa 



Style long or rather short, jointed with the ovary. Leaves unequally 

 pinnate 31 



