CAW ARID AVE M. 175 



cotyledons incumbent convolute. — Unarmed or spinescent shrubs, 

 sometimes leafless; leaves usually 1- or 3-foliolate ; stipules 2; 

 flowers axillary solitary, or in racemes or corymbs {Ada, Tropical 

 Africa). See p. 156. 



10. Euadenia Oliv. — Flowers nearly of Cadaba ; sepals free, 

 open in sestivation. Petals 4 ; 2 posterior much elongated. Stamens 

 5, inserted with or a little above corolla. G ermen stipitate ; gyno- 

 phore produced at base into a long linear appendage between the 

 2 larger petals ; apex of appendage 5-lobed or 5-glandular ; placentas 

 2, parietal, oo-ovulate ; stigma subsessile. Berry subglobular or 

 oblong, indehiscent ; seeds go, immersed in pulp. — Glabrous shrubs ; 

 leaves 3-foliolate; flowers in terminal racemes (Tropical Wed Africa). 

 See p. 156. 



11. Crataeva L. — Flowers 4-merous, hermaphrodite, or poly- 

 gamous by abortion ; receptacle nearly flat, or slightly concave, 

 lined by an equally or unequally-lobed disk, somewhat prominent 

 between the petals. Calyx imbricate. Petals equal, or 2 posterior 

 longer, long-unguiculate, open in sestivation. Stamens 8- go ; fila- 

 ments filiform, elongated. Germen long- stipitate ; placentas 2, 

 parietal or connate at centre ; ovules go, cc-seriate; stigma discoid, 

 subsessile. Berry stipitate, ovoid, or globular, corticate. Seeds go, 

 immersed reniform; cotyledons incumbent, convolute ; radicle conical. 

 — Shrubs or trees, glabrous lenticellate ; leaves 3-foliolate ; flowers 

 in terminal or axillary corymbs (All Tropical regions). See p. 156. 



12. Boscia Lamk. — Sepals 4, valvate or slightly imbricate, 

 deciduous, inserted on a short glandular torus. Corolla 0. Stamens 

 6-oo , inserted on top of torus, free or slightly connate at base. 

 Germen stipitate; placentas 2, pauciovulate ; style short; apex 

 capitate stigmatose. Berry subglobular, more or less long-stipitate ; 

 pericarp occasionally coriaceous. Seeds l-oo , immersed; embryo 

 fleshy ; cotyledons convolute ; radicle long. — Unarmed shrubs ; 

 leaves simple ; petiole articulate ; stipules minute ; flowers (usually 

 small) in racemes or corymbs (Tropical Africa). See p. 157. 



13. Bitchiea R. Br. — Sepals 4, equally valvate. Petals 4, alter- 



