LEGUMINOS^-CJESALPINIEJE. 169 



campanulate, lined by a disk. Sepals usually connate to form a 

 gamosepalous calyx ; lobes 5, slightly imbricated. Petals 5, 

 slightly unequal, imbricated. Stamens 10; filaments free straight ; 

 anthers introrse versatile. Germen stipitate, inserted in bottom 

 of receptacle, free co-ovulate ; style short ; stigma small terminal. 

 Legume elongated, much piano-compressed, membranous, bearing a 

 narrow wing at superior suture, indehiscent (?). Seeds compressed; 

 embryo exalbuminous ; cotyledons leaf-like ; radicle straight. — An 

 unarmed tree ; leaves imparipinnate ; flowers in much-branched 

 pyramidal compound cymuliferous terminal racemes ; bracts and 

 bractlets membranous, very caducous {Tropical America). See 

 p. 87. 



19. Batesia Spruce. — Receptacle campanulate, lined by a disk. 

 Calyx regular ; sepals 5, equal imbricated. Petals 5, markedly peri- 

 gynous, subequal imbricated. Stamens 10, inserted with petals; 

 filaments free, villous at base, inflexed in bud ; anthers uniform 

 2-celled introrse, dehiscing longitudinally. Germen inserted on a 

 central stalk with obliquely dilated apex, pauciovulate ; style short 

 thick ; stigma terminal concave ciliated. " Legume short subfalcate 

 turgid-compressed coriaceous -subligneous, covered by raised ribs, 

 dehiscing as a follicle. Seeds few, exarillate thick-compressed albu- 

 minous ; cotyledons flat, somewhat fleshy, cordate at base ; radicle 

 short straight." — A lofty unarmed tree ; leaves imparipinnate ; 

 flowers in composite much-branched terminal racemes ; bracts and 

 bractlets narrow very caducous {Northern Brazil). See p. 88. 



20. Vouacapoua Aubl. — Flowers of Batesia; anthers subsagit- 

 tate ; ovary subsessile 1 -ovulate ; ovule descending anatropous ; 

 style arched; apex concave ciliate stigmatiferous. Fruit coriaceous- 

 subligneous, unequally obovate, obtusely apiculate, wrinkled ex- 

 ternally, dehiscing as a follicle, 1 -seeded; seed descending obovate 

 glabrous exalbuminous ; embryo thick fleshy. — An unarmed tree ; 

 leaves and inflorescence of Batesia {Guiana, northern Brazil). See 

 p. 88. 



21. Melanoxylon Sciiott. — Flowers oiPwppigia ; receptacle cam- 

 panulate, lined by a disk; calyx and corolla subregular imbricated. 

 Stamens 10, scarcely decimate ; filaments villous at base; anthers 



