232 Priestley and Ever shed. — Growth Studies. I. 
Fig. 3. The production of roots on Tradescantia cuttings of initially different weights — 
5.0 and 2*5 grm. The arrows show when tertiary roots appeared. 
Table IV. Tomato (‘ Sunrise ’). 
Number of 
days’ growth . 
Mean wet ratio. 
Mean dry ratio. 
12 
0.037 
0.0036 
13 
0-069 
0.0053 
15 
0-045 
0.0060 
18 
0-402 
0.28 
20 
0.327 
0.024 
22 
0.426 
0.030 
26 
0.502 
0.039 
29 
0.619 
0*039 
32 
0.791 
0.051 
39 
0.440 
0.038 
Table V. 
Tomato (* Princess of Wales ’). 
Number of 
days’ growth. 
Mean wet ratio. 
Mean dry ratio. 
12 
0.024 
0.0032 
13 
0.097 
0.007 
15 
0.259 
0.025 
18 
0.418 
0.038 
20 
o -575 
0.041 
22 
o *393 
0.031 
26 
0.578 
0.045 
2 9 
1-019 
0.067 
32 
1.043 
0.066 
39 
0*633 
0.050 
