Move your mouse over image to enlarge. Barcode: CAL0000003246 Family: POACEAE Scientific Name: Hordeum vulgare L. Collector: D. Prain Country: India Uses: Grain used in the dietary of invalids and convalescents. Barley water used as a diuretic and demulcent drink. Powdered grain much employed in the form of a gruel in cases of painful and atonic dyspepsia.