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fine a Staple, as Flax (for all our fine Hollands are made of Flax ) yet 
Flax, which is but of the fame finenefs as Hemp, will never, by all the 
Art yet known, be made fo white as Hemp is made. The Qualities 
therefore of the beft Tow, that can be in Nature, are that the Staple 
be long, feall, tongh, and white. So that if in the Bargue of any 
Plant, wecan find thefe Qualities, or any of them, to excell; we may 
be fure, it will be of better ufe, in fome refpedts, for the making of 
Cloath, or other purpofe, than Flax it felf. 
14. §. I WILL conclude with one Instance more, and that is 
as to Grafting. The good and happy fuccefs whereof, doth certainly 
depend upon the fuitablenefs or refpondence betwixt the feveral Parts 
of the Stock and Cyon; asthe Barque, Wood, and Pith; and that both 
as to the Number, Size, and Pofition of the {aid Parts,and of: their feve- 
ral Pores or Veffels : according to the degrees whereof, the Conjunéfi- 
on (ceteris paribus) will be more or lefs profperous. So that of all 
fuch Conjuniiions as are found to be apt and taking, and which fome 
have learned not without long Practice and Experience; another, on- 
ly by comparing the Branches of Trees together, may with little trou- 
ble, and in much Jefstime, inform himfelf By the fame means, fome 
Conjundions which feem to be ftrange, as Quince and Pear, White Thorn 
and Medlar, &c. do yet, by the refpondence of their Parts, as well as 
by Experience, appear tobe good. And there is no doubt, but that 

_ many ConjunGions not yet tryed, or not known to have been fo, may 
upon the fame ground, be tryed with good fuccefs, 
15. ¢. The chief Ule of Grafting and Ivoculation, is, That they 
Accelerate the growth of Good Fruit. The Canfe whereof, isthe Kzot, 
which is always made in the Conjundion. By means of which, all the 
Sap is {trained, and fo afcendeth up into the Graff’ or Bud, both Purer 
and in lefs Quantity, and is therefore better and fooner concotted. 
Hence, the {maller the Fraét of any Tree, though it be not the beft, yer 
the sap being there, in le/s Qantity, 1s the fooner ripe. On the con- 
trary, where the Sup afcendeth too freely, it doth not only retard the 
growth of the Fruit, but produceth Barrenneft; as is feen in thofe 
luxuriant Branches, where it runsall up to Leaves. Hence alfo Vines, 
by Bleeding, become more Fruitful: that is, by the Effufion of Part 
of the Sap, there is a more eafier welioration of that which remains, 
Even as Phlebotomy doth oftentimes produce a more healthful and bet- 
ter Habit of our own Bodies. To conclude, the lefening the Quan- 
tity, and thereby the melioriation of the afcending sap, by Kuots, is 
Natures own contrivance 3 as is feen in Sugar-Cane, Corz, and other 
Plants. ; 

THE 

