Job’s Tears – Yi Yi Ren (Semen Coicis) Source: Yi Yi Ren – the dried mature seed of Coix lacrymajobi L. var. mayuan (Roman.) stapt, family Gramineae. [Function: Yi Yi Ren promotes diuresis to resolve dampness and invigorates the spleen, treats rheumatism and clears heat to drain the pus. Application: Yi Yi Ren is used for oedema, diarrhoea, loss of appetite, joint pain due to rheumatism and abscesses in intestines and lung.