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Show Of the Vegetation BookIF fomeSpirit and Aer, But divers Ombelliferous Roots, efpecially which abound with Laififerous Veffelsy are hot 3 as Fenil, Lovage, Angelica, &e, Yetisit not their Oy/ alone that makes them hof, but the combination thereof with the Sa/ive Parts: as is manifeft, from the na- ture of the Seed of thefe Plants; wherein, as the Oj! is moft copious; So being held to a Candle till they burn, conftantly Spit 5 which cometh to pafs, by the eruption of the Sa/ive Parts: and. is the very fame effect, with that which followeth upon burning of Serum or Blood. Andtherefore, as thefe Seeds are more hot, they alfo fpit the more; So thofe of Cumine, which, though fulfom, yet are not fo hot, pit lef; Fenil and Dil, which are hotter, more5 there being a greater quantity of volatile Salt contained herein. Hence all Effential Oyls are hot, the Spirit and volatile salt, being incorporated herewith. And fome of them will shoot, and cryftallize as Salts do, asthat of Axifé ; which argues a mixture of a confiderable quantity ofvolatile Salt. As alfo doth the Nature of thefe Qyls, in being amicable to the Stomach, Carminative, and fometimes Axodyne5 (cil. as they kill fome fetid, or corrofive Acid: for volatile Salts them- {elves will have the like operation in fomecafes as thefe Oyls. peNiNS | 69. §. Many Laéfiferous Roots, as Taraxacum and others of that kind, are not fo much hot, as bitter. For although by the Laéfife- vous Veffels they are very Oyly5 yet thofe Vefels being pofited in Rings, and not in Rays, and having no Diametral Portions running through their Barque tothe Aer-Veffels 3 the Acido-Aerial Parts do hereby, al- though not mortifie, yet fo far refratt the faline, lightly binding up the Oleous therewith, as to produce a litter Taffe. So, many fweet Bodies, upon burning, becomebitters the Acid Parts, now becoming THE ANATOMY OF TRUNKS, Withan Account oftheir VEGETATION Grounded thereupon. at ya 1 OESuae Hi 4), ‘ie The Figures hereunto belonging, Prefented to the ] LOYAL Socrery in the Years, 1673 & 1674. rampant, and more copioufly mixed with the Oleons. 70. The Roots, or other Parts, of many Uvbelliferous Plants, have a fweetifh Tafte, as both the Sweet, and Common Chervil s both the Garden, and wild Carrot 5 Parfnep, Fenil, &c. the Saline Principles being cuncentred inthe Oyly, and both of a moderate quantity with refpe& tothereft. For by the Oyly, the Saline is rendred more fmooth and amicable 5 and both being moderate, they are not therefore hot, as in fome other Umbellzferous Roots; but by the predominion ofthe other Principles, made mild. Hence it is, that Sugarit felf is fweet, Jeil. becaufeit is an Oleous Salt; as is manifelt, from its being highly inflammable 5 itseafie diffolution by a moderate, Fire, without the ad- The THIRD BOOK, By NEHEM7 AH G REWM.D. Fellow ofthe Royal Society, and ofthe College of Phy/icians, dition of Water and in that, being melted with Turpextine, and other Oily Bodies, it will ix together with them. So alfo the Acid Parts of Vinegar, being concentred in the Salino-fulphureous of Lead, produce a Sugar. Hence Barley, which upon Diftillation or Decoétion yeildeth onlyan acid 5 being turned into Maul, becomes fiveet. Be- Che Second Edition, caufe,being fteeped, couched, and fo fermented,theoleous parts are thereby unlocked, and becoming rampant, over the other Principles, altogether produce that Ta/fe, And the Bile it felf, which, next to Water and Earth, confifteth moftofoily parts, and of manybothfaline and acid isa bitter-freeet. Wherein, as fome of the Saline and Acid parts, fmoothed by the Oleous, produce a Sweet : So, fome of the Oleous, impregnated with the Saline,and the Acid, doe hereby produce a Bitter. LONDON, Printed by W. Rawlins, 1682, r THE Hi) a |