Preface; History of the work; origins of agriculture and domestication of plants; Cradles of agriculture and regions of diversity; 1 Chinese Japanese Region; 2 Indo-Chinese Indonesian region; 3 Australian region; 4 Hindustani region; 5 Central Asian Region; 6 Near Eastern region; 7 Mediterranean region; 8 African Region; 9 European- Siberian region; 10 South American Region; 11 Central American and Mexican region; 12 North American region; Species without an identified region; References; Index to Botanical names.