This book provides a comprehensive account of Embryological characters of Family Papaveraceae and Fumariaceae. In the text, the authors described all embryological details of both the families in a concise and lucid manner. From this literature the more emphasis given on the position of sub family Fumariodeae from the family Papaveraceae. The book should prove greatly useful to the researchers and students of Developmental Botany, and Taxonomy at undergraduate and post graduate level. The book comprises three parts. Part1 deals with the detailed embryological characters of family Papaveraceae, part 2 gives the embryological characters of the sub family Fumariaceae and part 3 include Table showing morphologicial and embryological differences between Papaveraceae and Fumariaceae and conclusions. The description is supported by manually drawn quality illustrations.