




















































































I1r2 

Tab, 40. 
Tab, 20. 
The Anatomy Book IEE 


themfelves Organical s but their very Sédes alfo, feem to be compofed 
of other Parts, which are Organical, fc. of Lignons or Tomy Fibres, 
Which Fibres , ftanding clofe or contiguous in a round Figure, they 
make one Tubulary Body, which I call the Lymphedud ofa Plant. And 
itis probable, That thefe Fibres themfelves, are alfo Tubxlary, That 
is, that a Lywphedud, ist a {mall Tube, made up or compofed of 
other, yet much fmaller Tubes, fet round together in a Cylindrich Fi- 
gure. As if we fhould imagine a company of Straws, which are fo 
many fmall Pzpes, to be joyned and fet round together, fo as to make 
another greater Pipe, anfwerable to a hollowCane, The Cane, I fay, 
isas the Lymphadudt 3 and the Straws are as the Fibres whereof it is 
compofed.” By which alfo appears, the admirable {mallnefs of thefe 
Fibres. For there are {ome Lywphedudts, which may be reckoned fifty 
times fmaller than a Horfe-Hair. Allowing therefore but Twenty of 
the aforefaid Fibres to make a Thred fo big as one Lympheduét 3 then 
one of the faid Fibres, muft be a Thoufand times fmaller than a Hor/e= 
Hair.. That thefe Fibres, whereof the Lympheduits are made, are 
themfelves made up ‘of other Fibres, is not altogether improbable. 
32. §. Thefe Fibres, although parallel; yet are they not coale/ceut, 
but only contiguous; being contained together ina Tnbulary Figure, 
by the Weftage of the Cortical Fibres, as in Chapter the Fourth will 
better be underftood. 
33: §. The firft notice I took of the Compofition and Texture of 
thefe Vefels, fo far asthe beft Glafes yet known, will admit; was in 
a very white and clear piece of Afh-wood torn, with fome care, by the 
length Of the Tree, and objected to a proper Light. They feem alfo 
fometimes difcernable in fome other clear Woods, asin very white Fir, 
@c. And having formerly demonftrated, that the Ligvous Part of a 
Plant, is annually made or augmented out of the inner part of the 
Barque, wherein the Lympheduits always ftand: we may reafonably 
fuppofe the fame Lympheduéts to have the like Conformation in the 
Barque, as in the Wood. 
34. §. And I am the rather induced to believe, that I am not mif- 
taken in this Defcription, upon thefe two Confiderations. _ Fir/l, that 
herein the Analogy betwixt the Veféls of an Avimal anda Plant, is the 
more clear and proper. For as the Sanguineous Veffels in an Animal 
are compofed of a number of Fibres, {et round, ina Tubulary Figure, 
together: fo are thefe Lymphaduéts of a Plant. Secondly, in that here- 
in, there is a more genuine refpondence betwixt thefe, and the other 
Veffels of a Plant it felf.s fc, the Aer-Veffels 5 which are made up of a 
certain number of Roxnd Fibres, {tanding collaterally, or fide to fide 
as I have already. obferved in the Avatomy of Roots. So that it is the 
lefS{trange, that the Lywspheducts fhould be made up of Fibres, fince 
the Aer-Veffels are eviden tly fo made. Only with this difference, that 
whereas in the Aer-Veffels, the Fibres are poftured or continued Spi- 
rally: here, inthe Lympheduéts, they ftand and are continued only 
in firaight Lines. ; 
35-§. THE STRUCTURE of the Laéiferous and Gum-Vefféls,which 
have avery ample Bore, is more apparent. And, by the beft Glafes 
{ have yet ufed, they feem to be made, chiefly, by the Conftipation 
of the Bladders of the Bargue. Thatis to fay, That they are fo many 
Chanels, 

