Astragalus (gum tragacanth): Small shrub or herb. Sub-tropical. Persia, Greece, east Mediterranean Islands, Syria.
Cassia (senna): Tropical and sub-tropical. Widely distributed.
Cæsalpinia (Brazil wood): Trees. Brazil.
Dalbergia (rosewood): Trees and vines. Brazil and southern Asia.
Glycyrrhiza (licorice): Small shrub and herb. Italy and southern Europe, southern England. Cultivated in Spain and Portugal.
Hæmatoxylon (logwood): Small tree. Yucatan, Guatemala, Honduras, Isthmus of Panama, West Indies. Cultivated in Burma.
Indigofera (indigo): Shrub. India, Java, East Indies, north Africa, West Indies, Central Asia.
Lens (lentil): Annual. Syria, Egypt, southern and central Europe, Hindustan.
Phaseolus (bean): Annual herb. Tropics and Temperate Zones to forty-fifth parallels.
Pisum (pea): Annual herb. Central and southern Europe, Egypt, Syria, Japan, India, China.