flax - Linum usitatissimum, the linseed plant, of which the leaf fibres are obtained after "retting": the plant is left in water to rot the tissues. The fibres are used in making linen
... aid for flax granted to growers is to be differentiated by means of coefficients established on the basis of the average yield recorded in the homogeneous production areas for retted but not deseeded flax and for flax otherwise than retted but not deseeded during 1987/88 to 1991/92 marketing years.