158 III. COMPOUNDS COMBUSTIBLES.— 



opopanax, or of Daiicus gummifera; carminative, emraenagogue, 

 and purgative, gr. x to 3J. 



English opopanax. From Cornish lovage, Ligusticum 

 Cornubiense. 



Catrighondoo. Origin unknown; sold in India, in small 

 irregular lumps, light coloured, slightly acid taste ; tonic, 

 stomachic. 



Sagapenum. From Ferula Persica, or some nondescript 

 species of that genus, or of laserpitium ; used as assafcetida and 

 galbanum ; dose gr. x to 3ss. Officinal preparation. — Pil. galb. 

 comp., L, D. Conserva rutae, D. L. 



Aleppo scammony, Scammonium AleppensCf Diagridium, 

 ScammonicB gummi-resina^ Convolvuli scammonics gummi-7'esma. 

 From the root of Convolvulus scammonia, the tops being cut off 

 for that purpose ; when reduced to a very fine powder, by tritu- 

 ration with loaf sugar or tartarum vitriolatum, it is the best 

 vegetable purgative that is known at present, as its effects can be 

 exactly calculated ; dose from gr. iij to xv, or more : Turkey. 

 Officinal preparations. — Extract, colocynth. comp., />. Pulv. 

 scammonii comp., L. D. E. Elect uar. scammonii, D, Confectio 

 scammonii, L. 



French scammony. The juice of Cynanchum Monspeliacum ; 

 weakly cathartic. 



Smyrna scammony, Scammonium Smyrnense, The juice of 

 the Periploca scammonium, coarser than the Aleppo scammony, 

 and very sandy ; more violent in its operation ; imported in cakes 

 packed in chests, 1/. the lb. 



Potato slip scammony. From Convolvulus BrasiHensis. 



Hog-fennel cum, Gummi penjcedani. From Peucedanum 

 officinale by incision ; opening, diuretic. 



Elm tree gum, Ulmine^ Gummi ulmi. Black, hard, shining, 

 a few drops of nitric acid change it to a rosin. 



WATERY JUICES OF PLANTS. 



Acacia. The juice expressed from the pods of Mimosa 

 Nilotica, inspissated to dryness. 



German ^^cacia. Acacia Germanica, Succus prunorum sylves- 

 trium. The j uice of unripe sloes, inspissated ; astringent, sub- 

 stituted for acacia. 



Italian acacia, Acacia Italica. The inspissated juice of 

 Spartium spinosum; astringent. 



ExTR ACTUM aconiti, Succus spissatus aconiti napelli. From 

 the juice of monkshood leaves, evaporated, without separating the 



