Figure 2: (IMAGE) Science China Press Caption Macrobotanical remains from the Khalchayan site. 1-2: Oryza sativa; 3: Hordeum vulgare; 4: Triticum aestvum; 5: Pisum sativum; 6: Lens culinaris; 7-8: Linum usitatissimum; 9: Lithospermum arvense; 10-12: Setaria italica; 13-15: Chenopodium sp.; 16-18: Polygonum sp.; 19-20: Galium aparine; 21-22: Alhagi sparsifolia. Credit: Chen Guanhan, IVPP Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.