LEGUMINOSM-CJlSALPINIEuE. 173 



straight or falciform, piano-compressed coriaceous 2-valved ; sutures 

 a little thickened. Seeds ovate or orbicular, compressed ; embryo 

 exalbuminous ; cotyledons flat ; radicle short included. — Low or 

 weak trees, unarmed ; leaves 1- co-foliolate ; stipules leaf-like 

 caducous ; flowers in short few-flowered racemes ; racemes terminal 

 or sessile at defoliated nodes ; bracts small ; bractlets persistent 

 connate very short (Tropical America). See p. 96. 



31. Brownea Jacq. — Flowers of Palovea ; calyx 4-merous, valvate 

 or imbricated ; petals 5, slightly unequal, imbricated. Stamens 

 10-15, free or unequally monadelphous. Legume oblong or elon- 

 gated, straight or falcate, coriaceous or subligneous, 2-valved; pla- 

 cental suture thickened or dilated ; seeds ovate compressed ; embryo 

 of Heterostemon. — Trees ; leaves paripinnate ; stipules leaf-like, often 

 coloured, caducous ; flowers handsome, in short terminal few-flowered 

 or very dense, subcapitate racemes ; bracts small or large, coloured ; 

 bractlets coloured, enclosing calyx, connate to a variable height 

 [Tropical America). See p. 97. 



32. Saraca Burm. — Flowers of Humboldtia ; calyx coloured ; 

 corolla ; stamens 3-10, either all fertile or 1-6 sterile or antherless ; 

 filaments free or connate close to base. Legume oblong or elongated, 

 piano-compressed or rather turgid, coriaceous-subligneous 2-valved. 

 Seeds thick-compressed or subglobose, ovoid or cylindrical, exarillate ; 

 embryo exalbuminous ; cotyledons thick, sometimes very thick ; 

 radicle straight included. — Trees or shrubs, rarely climbing ; leaves 

 paripinnate ; leaflets coriaceous, usually paucijugate ; stipules small 

 caducous or ; flowers in compound, usually short, much-branched 

 lateral racemes ; bracts small deciduous ; bractlets lateral, much 

 shorter than receptacular tube, tapering margins often imbricated 

 before anthesis (Tropical Asia). See p. 97. 



33. Apalatoa Aubl. — Flowers apetalous (of Saraca) ; stamens 10 

 or fewer, free fertile. Germen shortly stipitate, excentric or more 

 rarely subcentral, 2-4- or more rarely cx-ovulate. Legume obliquely 

 orbicular, ovate, or rather broad oblong compressed, coriaceous 2- 

 valved ; sutures often thickened. Seeds 1 or few, compressed ; embryo 

 exalbuminous compressed. — Unarmed trees ; leaves imparipinnate ; 

 leaflets alternate ; stipules minute or broad leaf-like, persistent ; 



