164 III. COMPOUND COMBUSTIBLES.— 



F. FOLioiiUM RVTJE, E. foL rut(B graveolentis. By evaporating 

 a decoction of rue leaves ; stomachic, carminative, and emmena- 

 gogue : gr. x to 3j, bis terve in die. 



E. OF s A VINE, E. sabincB, E, foL sahincB. As the former, sti- 

 mulant, emmenagogue, gr. x to 3j, bis terve in die. 



E. SARSAPARiLL^. From sarsaparilla root; gr. x to 3j, in 

 pills ; 201b. of fibres yielded 61b. of extract. 



E. SENN^, E. fol. cassicB sennce. From senna leaves, serves as 

 a basis for purgative pills, having scarcely any power of its own. 



E. sTRAMONii, P. L. 1824. Sem. stram. lb. j, water Oviij 

 soak for four hours, bruise, boil to four pints; strain while hot 

 and evaporate ; anodyne and narcotic : dose, gr. i- to gr. iij. 



Essence of spruce. From the twigs of Scotch fir; stimu- 

 lant and tonic : used to flavour treacle beer instead of hops. 



ExTRACTUM STRAMONII. Prepared from the juicc and dccoc- 

 tion mixed together ; 1581b. of fresh stramonium yielded 3Tlb. of 

 juice ; the cake was boiled in water, and the decoction added to 

 the juice; the whole yielded, by evaporation, 3 'lb. of extract, 

 which was full of particles of nitre ; narcotic, in doses of gr. j to 

 V, bis in die. 



E. tanaceti, tonic and vermifuge. 



E. TARAXACi. From bruised fresh dandelion roots in boiling 

 water; resolvent, diuretic, laxative, gr. x to 3j, with vitriolated 

 tartar. 



E, FOL. TARAXACI. From the herb, a cwt. anl ^ yielded, by 

 expressing the juice and then evaporating, 81b. and a half of 

 extract. 



E. OF TEA. Dry, solid, blackish, shining, and very brittle ; it 

 has a very weak smell and taste of tea, mixed with a styptic fla- 

 vour, is easily dissoluble in the mouth, and tinges the spittle 

 green ; the solution in boiling water is brownish green, of a rough 

 taste, and rather disagreeable smell ; brought from China. 



E. VALERIAN.?:. From the root, in a covered vessel; antispas- 

 modic, gr. X to 3ss, or more. 



MIXED EXTRACTS. 



Prepared partly by water, and partly by spirit of wine, or by 

 a mixture of both. 



ExTRACTUM RHEi. Soak lib. of rhubarb in seven pints and 

 a half of water, mixed with half a pint of rectified spirit, for four 

 days ; strain, let it settle, and evaporate the clear liquor ; cathar- 

 tic, gr. x to 3s$, but principally used as a basis for purging pills. 



E. coRTicis Peruviani cum RESis a, Extr. cincho?i(B officinalis, 



