18 



Table II. 



Kind of Wo. of No. of Beginning of End of 



plant "baskets plants in trans, period trans, period. 

 each. 



corn 12 2 Feb. 2 Feb, 22 



Sunflowers 9 2 Feb, 2 — Mar, 2 



Peas 9 2 in 6 Feb. 17 Mar, 7 



3 in 3 



iTheat 9 6 Mar, 5 Mar. 23 



Budcwheat 15 — 4 Mar. 19 Apr. 5. 



At the close of each part of the experiment, Trhioh 

 Tas on the date indicated in the last column of Table II, 

 the plants were cut at the surface of the soil, measured, 

 the green weight, dry weight and ash determined, also the 

 ratio between the water transpired and the dry matter pro- 

 duced. The results are given In the following table : 



