This book publishes for the first time data for Siberia on taxonomy, chorology, and ecological adaptations of the species of one of the largest families of dicotyledons, i.e. Leguminosae. These form 27 genera and 351 species and subspecies. Four new species have been described. Maps of plant distribution have been presented for most of the species and many have been illustrated. Flora Sibiri [Flora of Siberia] has been published in 14 volumes. This book is meant for botanists specializing in various branches including resources specialists, specialists in natural conservation, plant introducers, teachers and students of biological faculties, and regional specialists.