Royal SociETy. 
367 
of all he added 5 each of the glafles, for better diftin£lion, had a 
difterent mark or letter, as A, B, C, ^c, and all let in a row in 
the lame window, lb that all might partake alike of air, light 
and fun j thus they continued from jfuly the 20th to 05lober the 
5th, ju(t 77 days j then he took them out, weighed the water 
in each phial, and the plant likewile, adding to its weight that 
of all the leaves that had fallen off, during the time it flood thus • 
and laftly, he computed how much each plant had gained, 
and how much water was fpent upon it, the particulars are as 
follow : 
Diftinc 
tion of 
the 
Glaffes. 
The fever a I Sorts of 
Plants and Water. 
Weight 
when 
put 
m. 
ofPlant 
when 
taken 
out. 
Weight 
gained 
xn-j-j 
Dayr. 
Expence 
of 
Water. 
I The Proportion 
of the Encreafc 
of the Plant to 
the Expence of 
Water, ^ 
A. 
Common Spear- 
Mint fc: in Spring- 
i^' 
gr. 
gr. 
g^' 
tvater. 
27 
42 
15 
2558 
i,/^i70if 
B. 
Common Bpear- 
Mint, in Rain- 
ZL'ater. 
28i 
isi 
I7i 
3004 
i,/(;i7iji. 
C. 
Common Spear- 
Mint, in Thames- 
zvater. 
28 
54 
26 
2493 
^''^ 95fJ 
D. 
Common Solatium, 
or Night- Shade, in 
Spring-water. 
49 
106 
57 
3708 
x,to 6s|7 
E. 
Lathyris, feu Cata- 
putia Gerb. in 
Spring-ivater. 
98 
lOI^ 
Zh 
2501 
lyio^xifi 
The common Solatium in the phial D had levcral buds upon it 
when firft fet in the water, theie in a few days became fair 
flowers, which were at length luccecded by berries- the two 
phials F and G were filled, the former with rain, the other with 
Iprina-water at the lanne time as thole abovemention'd were, and 
ftood as long j but neither of tliem had any plant; his defion in 
thefe was only to inform himielf, whether any water exhaled out 
of the glaffes, otherwife than thorough the bodies of the plants; 
the orifices of theie two were covered with parchment, perforated 
with 
