Introduction. Botany - the characteristics of the family and of the genus, the diversity of the genus; euphorbias in the wild - their distribution and ecology plus pointers to species worthy of introduction; cultivation - annual, perennial and half hardy species; propagation; euphorbias in the garden - planting ideas and plant associations; flower arranging; key - a key to the identification of the species and cultivars; A-Z - each entry covering a description of the plant, its wild habitat and distribution, its garden value and any distinctive features and requirements of cultivation.