Foreign Vegetables. 249 
belongs, but the moll probable Opinion is, that it 
is a wild Olive growing in ^Ethiopia. 
2. Elemi Americanum , Off. The Elemi of America 
is a Sort of Refin which is fometimes whitifh, and 
fometimes greenifh, or yellowifh, fomewhat trans- 
parent, of a Softer or harder Confiftence, and a 
ftrong refinous Smell. This is very common in 
the Shops ; and is made Choice of frefh, transpa- 
rent, greenifh, fat, tough, and of a good Smell. 
It is brought from Brafile , New Spain , and the is- 
lands of America . 
The Tree from which this is obtained by mak- 
ing a Wound in the Bark, is called Icicariba Bra - 
filienfibus , Marcgr . 98. Icicariba , et illius gummi 
Idea , five Elemni , Pifon. 122. Arbor Brafilienfis 
gummi Elemi fimile fun dens, foliis pinnatis , flofeulis 
verticilldlis , frutlu Oliva figurd et magnitudire , Rail 
Hift. 1546. 
In a chymical Analyfis three Pounds of Elemi 
yielded three Ounces, two Drachms and Sixty Six 
Grains of Liquor, which at the firft coming over 
had the Smell and Tafte of the ReSin, but after- 
wards was acid, changing the Tincture of Turn- 
Sole to a red Colour •, then Six Ounces, Six Drachms 
and thirty fix Grains of transparent reddifh Oil, 
and twenty nine Ounces, Six Drachms and thirty 
fix Grains of thicker Oil of a brown Colour. The 
black Subftance remaining in the Bottom of the 
Retort, like a Coal, weighed three Ounces, Seven 
Drachms and thirty Six Grains. This being calcined in 
a Crucible with a reverberatory Fire for Sixteen 
Hours, till it gave over Smoking, left only three 
Drachms and Sixty Grains, and the black Colour 
was converted into a reddifh yellow. At the laft 
were obtained, by Lixiviation, eighteen Grains of 
fixt neutral Salt. The Lofs of Parts in Diftilla- 
tion was four Ounces and forty eight Grains, and 
3 in 
