
Book IL. of Rotts. 63 
termiffion of the preffure; the faid Vegels then dilating themfélves by 
aMotion of Reffitution, and fo fucking up the Sap again. 
7. §. Hereunto maybe added the Teftimony of fight; the very 
Vefels themfelves, in many Roots, coming under an apparent view, and 
ftanding in the utmoft furface of the Root all round about, as in that 
of Liquirith, Columbine, Scorzonera, and others. Which Experi- 
ments, Ihave here, once for all, more particularly fet down; becaufe 
I fhall have occafion, hereafter, to refer to them. 




CE. aa 

Of the BARQUE. 
Fie XT WITHIN the Sfx lieth the Barque, 
Tis fometimes Yellow, asin Dock; Red, in Biffort s 
9 but ufually, and in seed-Roots, 1 think, always 
White. It is derived from the Seed it felf; being 
but the extenfion or prolongation of the Parenchy- 
ma of the Radicle; One of the three Organical 
- @ Parts of the Seed, defcribed in the Firs? Chap. 
ter of the Firft Book. 
2. § It is varioufly Sizéd 5 fometimes very Thin, as in Ferufalen 
Artichoke, Goats-beard, and in moft Trees; where it alfo retains the 
Name ofa Barque or Rind. Sometimes ‘tis more Thick, and maketh up 
the far greateft protion ofthe Root, as in the String-Roots of Afparagus, 
in Dandelion, and others. The thinneft and the thickeft are all ana- 
logous, and obtain the fame general Ufes. The degrees of its Size, 
amongft all Roots, may be well reckoned about Twenty, and {een in 
the following examples, fc. Beet, Dropwort, Ferufalem Artichoke , Tab.7,%, 9 
Orpine, Valerian, Goats-beard, Nettle, Brownwort, Columbine, Celan- 
dine, Afparagus, Horfe-Radifh, Peony, Bryony, Eryngo, Borage, Lovage, 
Dandelion, Parfnep, Carrot, Gc. In the Root of Beet, {carce exceeding 
a good thick skiz: but in aCarrot, half the Semidiameter of the Root, 
or above half an Inch over in fome places : and that of Dandelion, fome- 
times, in proportion with the woody Part, twice as thick: the reft of 
Several intermediate Degrees: And to moft Roots, this is common; 
ae have their Bargue proportionably thicker, at the bottome than at 
the top. 



























3. §. ITIS Compounded of two Bodies. The one Parenchymous 5 
Continuous throughout 3 yet fomewhat Pliable without a folution of 
its Continuity. Exceeding Porous; as appeareth from its fo much 
fhrinking up, in drying. The Pores hereof 2re extended much alike 
both by the length and bredth of the Root 5 therefore it (hrinketh up, 
by both thofe Dimenfions, more equally. And they are very Dilative ; 
as is alfo manifeft from its reftorablene{s to its former bulk again, upon 
ity 































