56 Days.
(H.) Hyde-Park Conduit Water, alone. The Mint weighed, when put in, 127 Gr. when taken out, 255 Gr. The whole Quantity of Water expended upon this Plant, amounted to 14190 Gr.
This was all along a very kindly Plant; and had run up to above two Foot in height. It had shot but one considerable collateral Branch; but had sent forth many and long Roots, from which sprung very numerous, though small and short, lesser Fibres. These lesser Roots came out of the larger on two opposite sides, for the most part; so that each
Root, with its Fibrillæ, appear'd not unlike a small Feather. To these Fibrillæ adher'd pretty must Terrestrial Matter. In the Water, which was at last thick and turbid, was a green Substance, resembling a fine thin Conserva.
(I.) The same Water, alone. The Mint weigh'd, when put in, 110 Gr. when taken out, 249. Water expended, 13140 Gr.
This Plant was as kindly as the former, but had shot