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11. g. In Beet, they ftand in feveral Rings; and every Ring, 
made of Rays. In Cumfry, the Rays and Rings are feparate; thofe 
Tab. 8,9. ftand without, thefe next the Centre. In Dandelion, they ftand alto- 
gether, and make a little Rope, in the Center it felf In Geranium, 
and others of that Kindred, they make a little Thred, in the fame 
place. And in Skirret, they ftand in two Threds, near the Centre. 
12. §. In Celandine, they ftand in almoft parallel @ines. In 
Tab. 8, 9» Monks-hood, of a wedged Figure; divided inthe fmaller part of the 
Root, into Three little Wedges, with their poynts meeting exactly 
in the Centre. In Cinquefoyle, and Strawberry, they are alfo poftur'd 
in three Conjugations, triangularly. In the young Roots of Ozk , 
they ftand neither in Radiated, nor otherwife ftrait, but Winding 
Lines. And in Borage the pofition, of many of them, is Spiral. As 
likewife, fometimes, in Mercury, or Lapathum unéuofum. In Horfe- 
Tab.1§.  Radilh, they ftand more confufed neither in Rings nor in Rays; yet 
their feveral Conjugations, are radiated: with very many other dif- 
ferences, 
13. §. The Quantity of thefe Vefféls, as to the fpace they take up 
inthe Root, is to be computed Two ways, By their Number, and 
Size. Their Number may, in fome Roots, and in fome meafure, be 
judged of, by the bare Eye; having, frequently, a whiter furface 
than the other Parts, \ Asalfo their Size; the Bore of thefe. Veféls be- 
ing greater than that of the Ligzows in all Roots; efpecially in fome. 
For if you take the Roots of Vine, Fenil, Dandelion, Plum-tree, El- 
der, Willow, &c. and lay them by, for fome time, to dry 5 and then, 
having cut off a very thin Slice of each, tranfverfély 5 if you hold up 
thofe Slices before your Eye, fo as the Light may be trajected through 
the faid Vefels, they hereby become vifible, as notably different, both 
in Number and Size. 
14. §.. Butundeceitful and accurate Obfervation of both their 
Number, and Size, muft be made by the Microfcope 5 and fo they will 
appear to be much more various. In Biffort, Skirret, they are very 
few; in Beet, very many: betwixt which extreams there are all De- 
grees; asin Orpine, Venus Looking-Glafs, Scorzonera, Great Celandine, 
Peony, Borage, Fenil, &c. may befeen. So their Size, in fome is ex- 
tream fmall, asin Strawberry, Biftort, Valerian 5 in others very great, 
asin Afparagus, Buglofs, Vine. ‘They are alfo of feveral Sizes in one 
-and the fame Numerical Root; but in fome, are lefS varied, as in Li- 
: lium non bilbofum, Afparagus, BughofS; in others, more, as in Bryony, 
ce To. 0 Tovage. Amongft all Roots, they vary by about Twenty Degrees ; 
vi as by comparing the Roots of Vine, Thorn-Apple, Bryony, Lovage, 
Fenil, Wild Carrot, Saxifrage, Parfley, Peony, Hore-hound, Cinquefoyl, 
Strawberry, &c. together, may be feen. Some of thofe in the Vine, 
being of the greateft Size ¥ appearing through a good Gla/s, at leaft 
one Third of an Inch in Diametre: thofe in Strawberry, and that ~ 
Kind, of the fmalleft; moft of them appearing, in the fame Gla/;, 
no bigger, than to admit the poynt of a fmall Pin, according to 
the Standard, inTab, 12. See alfo the Figures of fo many of them 
as are drawn. 
15. §. 

