Characters. - It occurs in white irregular pieces, light and friable, with a sweetish and afterwards bitter taste.

Dose. - 2 to 30 gr.

Composition. - A white, crystalline body, agaricin, and various other ill-defined principles.

Preparations.

Dose.

Extractum Agarici ..............................................................................

3-6 gr.

Tinctura „ (1 in 10)............................................

20-60 min.

Agariacin .................................................................................................

1/12-1/6 gr.

Action. - In large doses, agaric is purgative and sometimes emetic. It acts in smaller doses as an antihidrotic (p. 441).

Uses. - In the form of extract or of agaricin, it has been found useful in checking night-sweating in phthisis.