The dried ripe seeds of Linum usitatissimum. It is grown in Britain.

Characters. - About one-sixth of an inch long, oval, pointed, flattened, smooth, shining, brown externally, yellowish-white within.

Composition.- The covering of the seeds contains much mucilage, and the seed itself contains nearly one-third of its weight of oil. The oil is obtained by expression, and the remaining cake when powdered forms linseed-meal.

Preparations

B.P.

Dose.

Farina Lini ...................................

Infusum " ...................................

ad lib.

Oleum " .....................................

U.S.P

Oleum Lini.