189. Seeds with an outgrowth at the hilum. Fruit linear or oblong, flat. Petals free from the staminal tube. Shrubs. (See 187.) =Cytisus= L. Seeds without an outgrowth at the hilum. 190 190. Keel distinctly curved inwards; wings and keel free from the staminal tube; standard suborbicular. Fruit linear or oblong, flat, covered with glandular tubercles or hairs. Shrubs. Leaves trifoliolate, with small stipules. Flowers in racemes, yellow. (See 186.) =Adenocarpus= DC. Keel straight or nearly so, blunt, gibbous at each side; wings and keel usually adnate to the staminal tube; the former oblong; standard ovate. Fruit usually inflated. Shrubs or undershrubs.--Species 40. North Africa. Some species yield fibres, dyes, and medicaments, or serve as ornamental plants. (Including _Retama_ Boiss.) =Genista= L. 191. (181.) Calyx deeply divided. Ovary more or less distinctly stalked. Leaflets minutely toothed. Stipules adnate to the leaf-stalk. (See 129.) =Ononis= L. Calyx shortly toothed. Filaments not broadened above. Ovary sessile or nearly so. Leaflets entire. 192 192. Calyx obscurely toothed, coloured. Corolla yellow, free from the staminal tube. Fruit thickened or winged at the upper suture. Seeds without an outgrowth at the hilum. Spinous shrubs. Leaves digitate, without stipules. Flowers solitary or in fascicles.--Species 3. North Africa. Used medicinally. =Calycotome= Link Calyx distinctly toothed. Corolla red, blue, or white. 193 193. Petals with a long claw, blue or violet; wings and keel adnate at the base to the staminal tube. Fruit oblong, glandular-hairy. Seeds without an outgrowth at the hilum. Spinous shrubs. Leaves trifoliolate on the young branches, unifoliolate on the older. Flowers solitary or in fascicles. Bracteoles small, leaf-like.--Species 1. North Africa (Algeria). Used medicinally. =Erinacea= Boiss. Petals with a short claw or sessile, free from the staminal tube. Seeds with an outgrowth at the hilum. Unarmed plants. Leaves trifoliolate. Flowers in racemes or panicles. 194 194. Keel shorter than the standard. Corolla red or violet. Fruit linear, many-seeded. Shrubs. Bracteoles bristle-like.--Species 1. South Africa (Cape Colony). =Hypocalyptus= Thunb. Keel longer than the standard. Corolla red or white. Fruit ovate-lanceolate, few-seeded. Undershrubs.--Species 1. South Africa (Cape Colony). =Loddigesia= Sims 195. (148.) Leaves equally pinnate. 196 Leaves unequally pinnate. 197 196. Leaflets 4. Flowers solitary or in spikes. Calyx with a long, narrow tube and unequal lobes. Corolla yellow or whitish; keel beaked. Filaments all united. Ovules 2-3. Fruit oblong, inflated, continuous within, indehiscent, ripening beneath the soil. Stem herbaceous.--Species 1 (_A. hypogaea_ L., ground-nut). Cultivated. The seeds are edible and yield oil; the leaves are used as a vegetable or as fodder. =Arachis= L.