1. Introduction -- 2. Taxonomy and Evolution of the tribe Triticeae Dumort -- 3. Genome structure of Triticeae species -- 4. B Chromosomes -- 5. Orphan genera of the subtribe Triticineae Simmonds -- 6. Secale L -- 7. Classification of the wheat group (the genera Amblyopyrum, Aegilops, and Triticum) -- 8. Amblyopyrum (Jaub. &Spach) Eig -- 9. Aegilops L -- 10. Triticum L. -- 11. Evolution of the diploid species of the sub-tribe Triticineae -- 12. Evolution of the allopolyploid species -- 13. Evolution of wheat under cultivation -- 14. Future prospects -- 15. References. .