Fig. 1. — Showing cucumber plants growing in different percentages of moisture. 

 No. 1, in 10 percent.; No. 2, in 15 per cent.-, Xo. 3, in 20 per cent.; No. 4, in .50 

 per cent.; No. 5, in 60 per cent.; No. 6, in 70 per cent, of tiie total moisture con- 

 tents of the soil. 



t4^ 



PXG. 2. — Showing leaves taken from cucumber plants grown in different 

 percentages of moisture, corresponding to those shown in Fig. 1. 



