=Extract of Eucalyptus Globulus.= _Syn._ EXTRACTUM EUCALYPTI GLOBULI.
(Griffith.) _Prep._ Eucalyptus leaves cut at will. Distil the volatile oil
with water; exhaust the residue in the still with water, prepare an
extract, exhaust this with alcohol, evaporate to the consistence of an
extract, and, while cooling, stir in the volatile oil.--_Dose_, 2 gr. to 8
gr.
=Extract of Fern.= _Syn._ EXTRACTUM FILICIS 1IQUIDUM--B. P. see EXTRACT OF
MALE FERN.
=Extract of Fleabane (Canadian).= _Syn._ EXTRACTUM ERIGERONIS. _Prep._ 1.
From Canadian fleabane, by evaporating an aqueous infusion.--_Dose_, 5 to
10 gr.
2. (EXTRACTUM ERIGERONTIS CANADENSIS FLUIDUM--Ph. U. S.) Canadian erigeron
in moderately coarse powder, 16 oz. (troy); rectified spirit, 16 oz. (old
measure). Proceed as for fluid extract of cubebs (Ph. U. S.).
=Extract of Flesh.= See EXTRACT OF MEAT, ESSENCE OF BEEF, TEA (Beef), &c.
=Extract of Fox'glove.= _Syn._ EXTRACTUM DIGITALIS (Ph. E.), L. _Prep._ 1.
(Ph. L. 1836.) From the leaves of _Digitalis purpurea_, as EXTRACT OF
ACONITE--(Ph. L.)
2. (Ph. E.) From the filtered expressed juice, either evaporated _in
vacuo_, with the aid of heat, or by exposure to a current of dry air.