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6. §. From the fame Caufe, it is alfomoft agreeable, That the 
Fruit fhould not come before the Leaves or Flower, but laft of all. For 
the Aer-Veffels, as hath been often noted, are not exactly Cyhadrick, 
but tapered 5 that is, not only the F7bres confifting of divers of thefe 
Veffels, but the Vefels themfelves, as they afcend into the Trwuck, 
Branches, Leaves, Flower, and Fruit, grow {till more and more flender. 
So that the {malleft coming laft, and being the moft pliable; they are 
alfo beft accommodated for the Expanfion of the Parenchyma into that 
we call the Frazt. r 
7. § tis likewife a proper Queftion to be asked, How it comes 
to pafs, That fome Plants beara Fruit, and not all ? I anfwer, That 
as the Size of the Aer-Vefféls conduceth to the Bulk of the Frat, and 
the Order of itsGrowth: So the Nuber of them, to their being, or 
not being, any Fra# at all. Forthe Frit, as we have already de- 
fined it, isan Ozerus, which grows moyfter and fofter, as the Seed 
ripens. The reafon therefore, why the Userus in fome Plants, conti- 
nues moift and foft after the Seed is ripe; and in fome, dries up; is, 
Becaufe in the former, there is a fmaller, in the latter, a greater Quan- 
ty of the Aer-Vefels in proportion to the other Parts of the Uterus, 
and fo a greater quantity of der. Which as in the Pith of moft Plants, 
fo here, by degrees excludes the Sap, or rendring it more evaporable, 
comes in the room of it 3 and fo the Uferns is dryed up: that is, there 
is no Fruit produced, but only a Seed-Ca/é. 
8. §. From the Size, Number, and Pofition of all the Veffels in Fruits 
a reafon alfo may be given, for thediverfity of their Tafts. Some In- 
ftances have before been given; to which I fhall add one or two more. 
So the Rind of an Orange, is bitter; the Pulp, fower. Becaufe the 
former is furnifhed with many Ligzous Veffels, the Sulphureous or Oyly 
Tin@ure whereof, being copioufly mixed with the Acid of the Paren- 
chyma, produce that Tajt. Whereas the Pulp, which is very fower, is 
void of all manner of Vefls. But if the sap-Veffels are either lefs nume- 
rous or lef Sulphureouss they give fo mild a Tindfure to the Parenchyma, 
as not to produce a bitter, but a {weet or foft Taft; as in Apples,Grapes, 
Goosherries, &c. And of a Goosberry, it is particularly to be noted, 
that whereas, in a Limon, the Pulp only .is fower, as being void of 
Vefféls: here, on the contrary, the Pulp only is fwveet, whereinto all 
the Vefels ftrike, and the Rind fower. 
9. §. Thediverfities of the Sz it felf, have their U/e. And there- 
fore, the more tender and delicate the Fruit is; the skiv, on the con- 
trary, is thicker and more tough. So Apples have a thicker Shiv, than 
Pears 5 Plums, than Apples; and Grapes than Plums thofe having as 
itwere, only a Coat of Kid, but this of good thick Buff; And there- 
fore fome F'vits, although tender, yet either not having fo rich a 
Fujce, or coming early, and fo not being expofed to exceflive heats, 
have a very thin Shiv, as Mulberries, Strawberries, &c. 

Cera 

