. Book I, of Plants. 


oAn Appendix. 
Of Trunk-Roots and C lafpers. 
HE diftin& Parts whereof thefe are compofed, are the fame 
with thofe of the Trunk , and but the continuation of them. 
1. §. Trunk Roots are of twokinds: Of the one, are thofe that 
vegetate by a direct defcent : The place of their Eruption is fome- 
times all along the Trak 5 asin Mint, &c. Sometimes only at its 
utmoft point, as in the Bramble, 
2, 2. The other fort are fuch asneither afcend nor defcend, but 
fhoot forth at right Angles with the Truk; which therefore, though 
as to their Office, they are true Roots, yet as to their Nature, they are 
a Middle Thing betwixt a Root and a Trunk, 
3. §. Clafpers, though they are but of one kind, yet their Na- 
ture is double; not a mean betwixit that of the Avot and that of the 
Trunk, but a compound of both 3 as in their Circumvolutions, where= 
in they often mutually afcend and defcend, is feen. 
4. §. The ule of thefe Parts may be obferved asthe Tru#k Mounts, 
or as it Trails, In the mounting of the Trw#k, they are for Sup- 
port and Supply. For Support, we fee the Clafpers of Vines: the 
Branches whereof being very long, fragile and flender; unlefs by 
their Clafpers, they were mutually contain’d, together, they mutt 
needs by their own weight, and that oftheir Fruit, undecently fall 5 
and be alfo liable to frequent breaking. So that the whole care 
is divided betwixt the Gardener and Nature; the Gardener, with 
his Ligaments of Leather, fecures the main Branches; and Nature, 
with thefe of her own finding, fecuresthe Lef&. Their Conveniency 
to which end, is feen in their Circumvolutions, a motion, not proper 
to any other Part: As alfo in their toughnefs, though much more 
flender than the Branches whereon they are appendent. 
5. g. ‘The Clafpers of Bryony have a retrograde motion about eve- 
ty Third Czrcle, tothe form a Doublet-Clafp. Probably for the more 
certain hold; which, if it mifs one way, it may be fure to take 
another, 
_ 6. §. For Supply, we fee the Trawk-Roots of Ivy. For mount- 
ing very high, and being of a clofer or more compact Subftance than 
that of a Vine 5 the Sap could not be fufficiently fupplied to the upper 
Sprouts, unlefs thefe, to the Mother-Root, were joyotly affiftant. Yet 
ferve they for fupport likewife ; whence they fhoot out, not as in 
Creffes, Brook-lime, &c. recipocrally on each fide, but commonly, all 
on one; that fo they may be faftned at the neareft hand. BY 
7. §. In the Trailing of the Truzk , they ferve for ftabiliment, 
propagation and fhade. For ftabiliment, the Clafpers of Cucumbers 
are of good ufe. For the Trunk and Branches being long and fragile, 
the Bruthes of the Winds would injurioufly hoife them to and fro, to 
the dammage both of themfelves and their tender Fruits, pas 
K 2 they 
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