24'') 105- LEGUMINOSAE 



9. Seeds albuminous. [Tribe ADENANTHEREAE.] 10 



Seeds exalbuminous. [Tribe PIPTADENIEAE.] 19 



10. Flowers in heads 11 



Flowers in spikes or racemes 12 



11. Flowers partly (the upper) hermaphrodite, partly (the lower) male or 



neuter. Ovary stalked. Ovules numerous. Fruit obliquely-oblong, 

 opening by two valves. Herbs or undershrubs. Stipules membranous, 

 cordate. — Species i. Tropics. Used as a vegetable. Neptunia Lour. 

 Flowers all hermaphrodite. Ovary sessile. Ovules 1—2. Fruit sickle- 

 shaped, indehiscent. Shrubs. Stipules spinous, recurved. — Species 

 I. South Africa Xerocladia Harv. 



12. Flowers partly (the upper) hermaphrodite and yellow, partly (the 



lower) neuter and white or red. Fruit not winged. Shrubs or trees. — 

 Species 12. Tropical and South Africa. Some species yield ebony-like 

 wood and medicaments. {Cailliea Guill. & Perr.) Dichrostachys DC. 

 Flowers partly hermaphrodite, partly male or female, or all hermaphrodite ; 

 no neuter flowers. Trees 13 



13. Fruit winged or distinctly 4-angled, transversely septate, indehiscent. 14 

 Fruit neither winged nor distinctly 4-angled 16 



14. Fruit 2-winged. Ovary stalked. Flowers sessile. — Species i. Mada- 



gascar and Mauritius Gagnebina DC. 



Fruit 4-winged or 4-angled. Ovary sessile or nearly so. Flowers stalked. 



15 



15. Fruit 4-winged. — Species 3. Central Africa. They yield timber, a 



substitute for soap, poison, and medicaments . . Tetrapleura Benth. 



Fruit 4-angled. Leaves with 4—5 pairs of pinnae. — Species i. Central 



Africa Amblygonocarpus Harms 



16. Fruit distinctly dehiscing in two valves 17 



Fruit indehiscent : ... 18 



17. Seeds few, very fiat, winged, with a long funicle. — Species 3. Equa- 



torial West Africa Newtonia Baill. 



Seeds numerous, thick, red. Leaflets numerous. — Species i {A. pavo- 

 nina L.). Naturalized in the tropics. It yields timber, gum, dyes, 

 medicaments, and edible oily seeds, which are also used as ornaments. 



Adenanthera L. 



18. Calyx large, tube- or urn-shaped, with ovate, acute teeth. Stamens 



inserted at the base of the petals. Leaves with one pair of pinnae 

 and several pairs of very large oblong leaflets. Spikes arranged in 

 panicles. — Species i. Equatorial West Africa (Cameroons). Yields 



timber and medicaments Calpocalyx Harms 



Calyx small, bell-shaped, with short segments. Stamens free. Leaves 

 with 2—5 pairs of pinnae and small or rather small leaflets. — Species 3. 

 North and Central Africa. They yield timber and edible fruits. {\n- 

 chidmg Anonychium Benth.) Prosopis L, 



