Preface; Part I. General Remarks: 1. In what manner and at what epochs cultivation began in different countries; 2. Methods for discovering on proving the origin of species; Part II. On the Study of Species, Considered as to their Origin, their Early Cultivation, and the Principal Facts of their Diffusion: 1. Plants cultivated for their subterranean parts, such as roots, tubercles, or bulbs; 2. Plants cultivated for their stems or leaves; 3. Plants cultivated for their flowers, or for the organs which envelop them; 4. Plants cultivated for their fruits; 5. Plants cultivated for their seeds; Part III. Summary and Conclusion: 1. General table of species, with their origin and the epoch of their earliest cultivation; 2. General observations and conclusion; Index.
An investigation tracing the origins of the plants cultivated by humans, published here in the second translated edition of 1886.