( 3§ ) 
the Refiduum , and filtered twice, then the 
Earth well dried weighed 36 Grains . The 
filtered Liquor being flowly exhaled, left 
8 Grains of an exceeding brackifh Salt, 
which would not ferment with Acids. 
So that we fee the Parts of ’Rea are fepa- 
rable into, 1. A peculiar yellow , noxious 
Juice % which evaporates in roafting. 2. A 
thin Oil, which is difiipated, either by lying 
long in the open Air, or by Infufion in cold 
Water. 3. A Semi balfamick Liquor > fome- 
what groffer than the lair. 4. A thick and 
black rejinous Oil . 5. A little Refin , fria- 
able in the Cold, and inflammable by Fire, 
but not diiTolvable by Water. 6. A Gum 
confiding of more Mucus than Oil, there- 
fore diiTolvable in Water, or combuftible in 
the Fire. Thefe are the different Sortments 
of the Oil of the Leaf 5 for the Flowers and 
Seeds we have had no Opportunity to exa- 
mine them, nor are they in ufe. 7. A fix'd 
Salt . 8. Earth.— The different Proporti- 
ons of thefe Parts, as near as I could com- 
pute, ar e } BobeaRea contains i-ioth Phlegm, 
or other volatile Parts ; Green Rea i-3oth 
Part. Fix'd Earth is about i-^d of both, 
only Green Rea has a little more than Bohea , 
Green 
