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Show Of the Vegetation 94 Book I. duly Reéfified, will mix as eafily together , as Water and Wine. So that, although Oyi, by the feparation of its earthy and Saline parts, which giveit its fenfibly oleous Body, maynotbefo far attenmated,as to produce a Spirit yet that it may {0 far be attenuated, and fo be mixed therewith,as xot to be difcerned fromit, as in the forementioned Plants, ; ; will be granted. 63. §. Hence itis, that the Laiiferous {tanding more remote from (a) Tab. 9. the Aer-Veffels, and the Succiferows interpofing 5 (4)the Liquor, therefore, contained in them, isnot fo much under the government of the & 16, Aerial Ferment, andis thence, partly, more Oily. For the fame reafon, all Roots which are Milky, fo far as 1 have obferved, have an under-proportion of Aer-Veffels 5 thefe being either Fewer or Smaller. How the O- 64. §. FROM what hath been faid, we may receive fome dows of information, likewife, of the Odours, Colours, and Taffes of Plants are Plants. And for Odowrs, {fuppofe, That the chief Matter of them, made, is the Aerial Ferment contained in the Aer-Veffels. Not but that the other Parts do ‘alfo yield their fmell; but that thee yield the frrongeft and the bef, and immediately perceptible in frefh, undryed and unbruifed Plants. For the Aer entring into, and pafling through the Root, and carrying a Tinéure, from the feveral Organical and Contained Parts, along withit , and at laft entring alfo the Concaves of the Aer-Veffels ; it there exifts the molt Compounded and Volatile Fluid, SLANE) of all others in the Plat, and fo the fitteft matter of Odour : and fuch an Odour, as anfwers to that of all the Odorous parts of the (b) P. 2, Plant. (b) Wherefore the Organical Parts, being well clenfed oftheir $. 24. Contents, {mell not at all; Becaufe the Principles hereofare, as hath been faid, fo far fixed and concentred together. Hence alfo the Contained Parts themfelves, or any other Bodies, as their Principles are any way more fixed, they arelefs Odorous : So is Rofiv, lefs than Turpentine, and Pitch, thanTar; and manythe felf fame Bodies, when they are coagulated, \efs than when they are melted. So alfo Musk, whichis not fo liquid as Civet, isnot fo {trong ; nor Avbergreece, as Musk : For although it hath a more excellent fmell, than Musk hath, yer yieldeth it not fo eafily 5 fince it isa more fixed Body, and requireth fome Art tobe opened. Hence alfo the Leaves of manyPlants lofe their Odour upon rubbing: Becaufe the Aer-Ve/fels being therebybroken, all their contained odorous Fluid vanifheth at once: which be- fore, was onlyftrained gradually through the Skiz. Yet the fixed Parts themfelves, upon drying, are fo far altered by the Suz and Aer, as to become refoluble, and volatile, and thence odorous. How their Colours, 65. §. SO ALSO oftheir Colours. Skins are varied, As whence the Colours of the For divers of the Sap-Fefels, together with the Parenchymous Parts fucceflively falling off from the Bargue into the (¢) P.t.0.2. Skin (ce) bytheir proximity to the Earth and Aer, their Sulphureous or 9 25 de Oleous Principle is more or lefs refolved, and fo produceth divers Co- Jours. So thofe Roots which turn purple any where within, have ufually a blacker skin the one of thofe two Colours being, bya refo- lution and corruption of parts, eafily convertible into the other, as in Cunfiy, Thiftle, &e, So the Milk of Scorzonera, contained in the Vefels of the Barque, upon drying, turneth into a brown Co- lour : Bodh Il. , i of Roots. ee 95 our: Wherefore the Shiv, in which there are divers of thofe VefJels, is of the fame. So both the Milk and Skiv of Lovage is of a brownilh yellow. But Parfwep hath aclearer Sapin all its Yefféls, and a whiter Shiv. So Potato’ s, being cut traverfe, after fome time out of ground, have divers red {pecks up and down where the Veffels ftand, and their skiz is accordingly red. 66. §. The reafon, I fay of thefe Colours, is the refolution or reJferation of the Principles ofthe feveral Parts, chiefly, by the Aer, and a lighter mixture of them confequent thereupon: whereby the SyJphureows or Oyly Parts, which were before concentred, are now more or lefs rampant, difcovering themfelves in divers Colours, according as they are diverfly mixed with the other Principles. Hence thefe Cofours are obfervable, according to the nature of the Parts wherein theyare, or whereunto they are adjacent : So where the Lympheduds doe run, there is a Red, or fome other Sulphureous Colour , the Oleous Principles being, as is faid, (2) more copious in thefe Veffels ; as (4) P: in the Bark of Peony, the inward parts of Potato’s, &c. may be $021. feen. But the Parexchymous Parts, where more remote from the faid Veffels, they are ufually White, or but Yellow: the Sulphureows Principle of thefe Parts, being, as hath been faid, but {paring. (6) The (b) P. 2 fame is {een in thofe Roots which thew both Red and Yellow: thofe ¢. 20. Parts, principally, where the Succiferous Veffels ran, being Reds but thofe Parts, where only the Aer-Vefels are mixed with the Parenchy- sous, being Yellow; as in Patience. So likewife the pithy part ofa Carrot, where the Aer-Vefféls have very few Succiferous mixed with them, is Yellow but the Bargue; where the Succiférons are very nu- merous, is Red. For the fame reafon, many Roots, which are Whiter in their upper parts, are Purple or Reddifh in their inferiour, as Avews, Strawberry, &c. Becaufe thofe'lower parts, having lain longer (c) under ground (thefé being defcending Roots) their (c) P. 1 Principles are, thereby, Somewhat more refolued, and fo the Oleons, ramp $. 13. and {pread all over the reft in that Colour. 67. §. And thatthe Rejolution of the Sulphureous and other Principles is partly effected by the Aer, appears, In that, where the Aer hath a free accefs to the Sweciferous Veffels, the Colours are there, chiefly produced, or are more confpicuous. Go in Potato’s, where the succiforous Veffels are either next to the external Aer, as in the Skins or contiguous with the AerVeffels, asin the Ring within the Barque 3 there, they produce a Red : but where more remote from both, asin the middle of the Barque, and Centre of the Root, there they produce none. Hence alfo it is, that the Leaves and Flowers of fome Plants, as Bloodwort, Wood-sorrel, Radifh, Faced, &c. although Green or white in the greateft portion of their Pzrenchymous Parts yet where the Succiferons and Aer-Vefels run together, they are of Red, Blue, and other Colours; the Oleous parts of ithe ove, ‘bemg wlockedand opencd, bythe aery ofthe other. 68. s. AND LASTLY, of thew Tafts. Moft Roots which are How thei acres or bitting, have a very copious Parenchyma in proportion -with Taftes, the Succiferous Vefféls, as.of Arum, Dragon, andothers: Becaufethe Saline and other Principles are not fo much hot, ‘by any ‘fufficient quantity of Sulphureous, from thofe Veffels, in which the Sulpkatr, ha as is faid, is more abundant; (4) but rendred rather pungent, from ¢") | * fome |