30 ABSORPTION AND EXCRETION OF SALTS BY ROOTS. 
TABLE V.—Statement of results, experiment 5—Continued. 
Number of culture. .......-. 6 7 8 9 10 
Composition= =e peeeee eee 92Mg+8Ca. | 90Mg+10Ca. | 88 Mg+12Ca.| 86 Mg+14Ca. | 84 Mg+16 Ca. 
Concentration: 
Bef th 100 M 100 M 100 M 100 M 100 M 
SOLE SON ALAN oe 2, 000, 000 2, 000, 000 2, 000, 000 2, 000, 000 2, 000, 000 
nee fe _ 59M 33 M 52M 50 M 36 M 
Ba cloak eer 2, 000, 000 2, 000, 000 2, 000, 000 2, 000, 000 2,000, 000 
Number of culture _....-... 103 12 13 14 
Compositionss+-2-- eee 82 Mg+18 Ca. 80 Mg+20 Ca. 78 Mg+22 Ca. Distilled water. 
Concentration: 
Bef tt 100 M 100 M 100 M 0 
UE A Re se 2 50% 2, 000, 000 2, 000, 000 2, 000, 000 
ine 2 61M 28 M 46 M 43 M 
ter growth..........- 2, 000, 000 2, 000, 000 2, 000; 000 2,000, 000 
ane Fic. 18.—Seedlings of culture 1, experiment 5. 
