490 
S. C. BROOKS 
tration, was found to present approximately the desired "normal" 
conditions for the protoplasm of the dandelion. In Table 3 will be 
found the constitution of this solution in gram molecules per liter, and 
Fig. 3. 
Table 3 
Constitution of a Solution Favorable to the Protoplasm of Taraxacum officinale, and 
That of Sea Water at the Same Dilution 
Salt 
Sea Water 
Solution 
Gm. Mols per 
Liter 
Percent of 
Total Gm.Mols 
Gm. Mols per 
Liter 
Percent of 
Total Gm. Mols 
NaCl 
CaCla 
MgCl2 
MgSo4 
KCl 
0.2020 
0.0046 
0.0158 
0.0077 
0.0046 
86.2 
2.0 
6.7 
1.9 
0.1608 
0.0465 
0.0158 
0.0077 
0.0046 
68.4 
19.8 
6.7 
3-3 
1.9 
Total 
0.2347 
1 00. 1 
0-2354 
100. 1 
