86

EXTR.ACTS.

sive portions of boiling water tili it is wellwashed ; and lastly, dry it at a tempcraturenot exceediug 240°.

EXTRACTUM SARZAE FLUIDUM.

Take of Sarza in cliips, one pound ;

Boiling water, six pints ;Digest the root for two hours in four pintsof the water ; take it out, bruise it, rcplaceit, and boil for two hours ; filter and squeezeout the liquid ; boil the residuum in the re-maining two pints of water, and filter andsqueeze out this liquor also ; evaporate theunited liquors to the eonsistence of thin sy-rup ; add, when the produet is cool, as muehrectilied spirit as will make in all sixteenfluidounces. Filter.

This fluid extract may he aromatized withvolatile oils or warm aromatics.

EXTRACTUM STYRACIS.

Take any convenient quantity of Storax, infine powder; exhaust it by boiling it in suc-cessive quantities of rectified spirit ; filterthe spirituous Solutions ; distil off the greaterpart of the spirit ; evaporate the remainderover the vapour-bath to the eonsistence of athin extract.

EXTRACTUM STRAMONII.

Take of seeds of Stramonium anv conve-