294 ^Treatise on 
which are fometimes mixed with the Glebes, being 
foliaceous, and like thofe of Dill, but larger. And 
the Plant grows in that Part of Africa which borders 
upon Egypt to the Weft, and is now called the 
Kingdom of Barca *, wherein there formerly ftood 
a famous Temple dedicated to Jupiter Ammon *, 
whence the Gum took the Name of Ammoniacum. 
In a chymical Analyfis , two Pounds of choice 
Gum Ammoniack yielded fix Ounces, one Drachm, 
and thirty four Grains, of tranfparent, reddifh, odo- 
rous, and fubacid Phlegm *, one Ounce, fix Drachms 
of urinous Phlegm ; two Ounces, five Drachms, 
and forty eight Grains of tranfparent, yellowifh, odo- 
rous Oil ; and feven Ounces, two Drachms, of yel- 
lowifh and brown Oil, of a thicker Confiftence. 
The black Mafs remaining in the Retort weighed 
eight Ounces and feven Drachms ; which being 
calcined in a Crucible for twenty Hours, left one 
Ounce and twelve Grains of brown Afhes : From 
which were extra&ed, by Lixiviation, one and fixty 
Grains of fixt alkaline Salt. In this Diftillation the 
Lofs of Parts was five Ounces and two Drachms *, 
and in the Calcination feven Ounces, fix Drachms, 
and fixty Grains. 
By this Analyfis Gum Ammoniack appears to be 
compounded of a large Quantity of Sulphur, both 
thick and thin, with fome tartarous and ammoniacal 
Salt, and a imall Portion of Earth. 
It foftens indurated Parts, incides and difiblves 
thick and tenacious Humours, and difcufies Con- 
geftions. It is ferviceable to Afthmaticks, difti- 
pates crude Tubercles of the Lungs, refolves fcir- 
fhous Tumours of the Liver, Mefentery, Spleen, 
and Womb, promotes the menftrual Evacuations 
when fupprefled, opens Obftrudtions, difcufies 
* In that Part of Barca , which in the old Geography was 
called Marmcrica, and was a Province of the ancient Libya. 
Tophes 
