Note 51 — CHAP. VI. Of Hoeing.

The Roots of a Mint, set a whole Summer in a Glass, kept constantly replenished with Water, will, in Appearance, fill the whole Cavity of the Glass; but by compressing the Roots, or by observing how much Water the Glass will hold when the Roots are in it, we are convinc’d, that they do not fill a Fourth-part of its Cavity; tho’ they are not stopp’d by Water, as they are by Earth.