Liriodendron tulipifera ’ 105 
Five parts only of gum mucous, had been taken up from the 
extract by the alcohol. A strong mucilage was formed of the resi- 
due, to which a large-proportion of spirit was added. This dissoly- 
ed one part more-of the gum mucous, leaving the other principles 
eurdled at the bottom of the ric The alcoholic tincture .of the 
bark yielded — 
Gum mucous 30 grains. 
- Resin 16 
A muriatic or essential salt © 3. 
The bark yielded, after ignition, potash, iron, and calcareous 
earth. Four pounds of the bark infused in a gallon of boiling water, 
and exposed to fermentation, yielded upon analysis, spirit of wine, 
vinegar, and oil. A decoction of four pounds of the recent. bark, 
afforded mes ounces of a black, or dark brown extract. 
Two gia of ine tincture of ‘the’ recent bark were ane a 
and the following result obtained : a I 
Impure gum, 3 drachms 10 grains, 
Gum mucous, 5 drachms nearly, 
Pure resin, 2 drachms, 2 scruples, 
A muriatic or essential salt in very small Sire 
The distilled water from the bark of thgroot, was found to be 
limpid, odorous, nearly insipid on the tongue, and somewhat acrid on 
the fauces. The colour of the infusion from which it had been 
