Royal Society, 36^ 
The plant which was fet in H was all along a very kindly one, 
having run up to above two fout in height • it had /hof but one 
confiderable collateral branch, but had ient forth leveral Jong 
roots, from which fprung very numerous ItriHr fibres, tho' Icnall 
and fliort ; theie leflcr roots came out of the larger ones, on two 
oppofite fides for the molt parr; fo that of each root th^ Ft brillee 
appeared not unlike a fmall feather ; to thele Flbrill^ adhered 
pretty much terreftrial matter 5 in the water, which was at laft 
thick and turbid, there was a green fubitance, rclembling a fine 
thin conlerve 5 I, was as kindly as the former, but had Ihot no 
collateral branches 5 and was much like the former in its roots, 
the water, and green fubftance : The plant in K, tho' it was an- 
noyed with many fmall infe^fs that happened to fix upon it, yet 
had Ihot very confiderable collateral branches, and at leafl as 
many roots, as either that in H or I, having a much greater 
quantity of terreftrial matter adhering to their extremities; there 
was the fame green fubftance here as in the two preceeding: The 
plant in L, was much more flourifhing than any of the former, 
having ieveral very confiderable collateral branches and very nu- 
merous roots, to which the terreftrial matter adhered very copi- 
oufly ; the earth in both the glafles K, and I, was very lenfibly and 
confiderably wafted from what it was when firft put in ; there 
was the fame Ibrt of green fubftance here, as in thole above: The 
plant in M, was pretty kindly and had two fmall collateral 
branches and feveral roots, tho' not lb many as that in H or I, 
yet as much terreftrial matter adhering to them as thofe had; the 
water was pretty thick, having a great many fmall terreftrial par- 
ticles fwimming in it, and fome fediment at the bottom of the 
glafs, but without any of the green matter abovementioned : The 
water in N was very turbid, and was as reddifli as ordinary 
beer; the plant in it was very lively, and had fent forth fix colla- 
teral branches, and feveral roots: O was Hyde-park conduit wa- 
ter, in which was diflolved a drachm of nitre, and when the 
mint was fet therein, it luddenly began to wither, and decay, and 
it died in a few days; as likewife did two more fprigs, fee in it 
iuccefllvely: In another glafs the Doflor difTolved an ounce of 
good garden-mould and a drachm of nitre ; in a third, half an 
ounce of wood-afhes and a drachm of nitre ; but the plants in 
thefe throve no better than in the former : P was Hyde-park <:oj\- 
duit-water; in this the Do6ior fixed a glals tube about 10 inched 
long, the bore about f of an inch in diameter, filled with very 
fine and white land, which was kept from falling down out of the 
tube into the phial, by tying a thin piece of filk, over the lower 
Vol. III. A a a end; 
