Fig. 1. — Showing ciKnunbor i)l;iiits growing in dilftTL-ut ijerccntagos of moisture. 

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

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

 tents of the ^;(lil. 



Fig. 2. — Showing leaves taken from (•ucinnl)er jilants grown in (iitferent 

 percentages of moisture, corresponding to those sliou n iii I'ig. 1. 



