158 Gardner—Studies on Growth and Cell 
TABLE VI—Continued. 
=| : g F 
E g Rate of growth | § g Rate of growth 
= 2 . per hour. oe S 5 per hour. 
= 3 o 4 so o 
cS 5B 5 = ® 5 
o| ¢ Bh a o| ¢ a 
¢|H] Bis 6s} 8} Els 
Z > a = Day Night. | Z a a = Day. Night. 
35 | A.M.| OF. 36 | A.M.| OF, 
9.45} 68 | 100 9.30 | 68 100 
Tea ap 48 100 10.25 | 70 |2100 
11.45] 78 | 100 10.40} 7 100 
P. M. 11.15} 78 100 
12.45 | 79 100 1145} 79 | 100 
1.15} 79 | 100 P. M. 
2 79 100 12.15} 79 100 
2.30] 76 90 12.45 | 79 100 
3 74 85 1.15} 79 100 
4 72 85 1.50} 79 100 
5 70 85 2.30} 76 90 
6 68 89 3. 74 85 
7 68 90 3.30 | 72 85 
8 68 90 4, 72 82 
9 68 90 5. 70 85 
10 68 90 6. 68 89 
11 67 90 ile 68 90 
12 66 90 8. 68 90 
A.M. fh 68 90 
at 65 90 10. 68 90 
4 63 90 a: 67 90 
6 65 95 12. 66 90 
2mm, ys mm, A.M. 
1 65 90 
4 63 85 
5. 64 90 
6 65 95 
234 mm. | 14; mm. 
To prove that the placing of the root in the horizontal 
position did not in any way cause a peculiar result, experi- 
ments were performed in which the roots were from the begin- 
ning allowed to grow in a vertical direction. These were 
performed under similar conditions. The results were the 
same as those in which the roots were placed horizontally. 
The following tables show the results obtained : 
