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Of the Veperation Bodk dt. 

Tab, 13. 
fome Spirit and Aer, But divers Umbelliferous Roots, efpecially which 
abound with Latfiferons Veffels, are hot 3.as Fenil, Lovage, Angelica, 
 &e, Yetisit not their Oy/ alone that makes them Aor, but the com- 
bination thereof with the Sa/zve Parts: as is manifeft, from the na- 
ture of the Seed of thefe Plants; wherein, as the.Oyl is mioftrcopi= 
ous; So being held to a Candle till they burn: conftantly’ (pit 5 
which cometh to pafs,. by the eruption of the! -salixe Parts : \ and 
is the very fame effe(t, with that which followethupon: burning of 
Serum or Blood. — And. therefore, as:thefe Seeds: are more: hot, they 
alfo fpit the mores So. thofe of Cumine, which, though fulfom;~ yet 
are not fo hot, fpit lefs3 Feil and Dill, which are hotter, more ; 
there being a greater quantity of | volatile Salt: contained. herein. 
Hence all Byfential Oyls are hot, the Spirit and volatile salt, being in- 
corporated herewith. And fome of them will shoot, -and cryftallize as 
Salts do, asthat of Axifé; which argues a mixture of a confiderable 
quantity of volatile Sali. As alfo doth the Nature of thefeOyls, in 
being amicable to the Stomach, Carminative, and fometimes Axodyne 5 
Jfeil. asthey kill fome fetid, or corrofive Acid: for.volatile Salts them: 
felves will have the like operation in fome cafes as thefe Oyls. i 
69. §. Many Ladfiferous Roots, as Taraxacum and others of that 
kind, are not fo much st, as bitter. For although by the Laéife- 
rous Veffels they are very Oyly;, yet thofe Vefels being pofited in Rings, 
and not in Rays, and having no Diametral Portions running through 
their Barque tothe Aer-Veffels ; the Acido- Aerial Parts do hereby, -al- 
though not mortifie, yet fo far refratt the faline, lightly binding up 
the Oseous therewith, as to produce a bitter Tufte.) So, many weet 
Bodies, upon burning, become bitters the Acid Parts, now becoming 
rampant, and more copioufly mixed with the Oleons. 
70. The Roots, or other Parts, of many Umbelliferons Plants, have 
a fweetifh Tafte, as both the sweet, and Common. Chervils both the 
Garden, and wild Carrot ; Parfnep, Fenil, &c. the Saline Principles 
being concentred in the Oyly, and bothof a moderate quantity with 
refpect to thereft. For by the Oyly, the saline isrendred more fiooth 
and amicable ; and both being moderate, they are not therefore hot, 
as in fome other Ombellsferous Roots; but. by the: predominion of the 
other Principles, made mild. Hence it is, that Sugar it {elf is freer, 
Jfeil. becaufe it is an Oleous Salt as is manifeft, from its being highly 
inflammable 5 itseafie diffolution by a moderate, Fire, without the ad- 
dition of Water; and in that, being melted. with Turpentine, and 
other Oily Bodies, it will wix together with them.So alfo the Acid 
Parts of Vinegar, being concentred in the Salino-filphureous of Lead, 
produce a sygdr. Hence Barley, which upon Diftillation or Decoétion 
yeildeth only an acid 5 being turned into Mauls, becomes weet. Be- 
caule,being fteeped, couched, and fo fermented,the oleous parts are thereby 
unlocked, and becoming rampant, over the other Principles, altogether 
produce that Eafe. And the Bile it felf, which, next to Water and Earth, 
contifteth moft of oily parts, and of many both faline and acid isa bit- 
ter-fiveet. Wherein, as fome. of the Saline and Acid parts, fmoothed by 
the Oleous, produce a Sweet : So, fome of the Oleons, impregnated with 
the Saline, and the Acid, doe hereby produce a Bitter. 
i: HE 

