26 Lioyp: LEAF .WATER IN GossyPIUM 
0(3) 0-2(4) Two very hei leaves at top of plant, same 
o 0(2) (0.4) light exp 
nares o(2) _0(2) (0) Two mature leaves tops of neighboring 
: 0(2)" o(2-6) plants, with same exposures. 
TABLE XI 
Gossypium herbaceum. Sept. 27, 1911. Transpiration during wilting. Top of 
chief shoot, with 3 mature leaves and 5 young leaves. Cut end vaselined. Weighed 
doors in bright diffused light. 
Hour Weight, grams | Loss | Rate per minute 
7.22 19.3 | 
27 19.06 0.24 | .048 
32 18.89 0.17 034 
38 18.70 0.19 | .032 
44 18.56 0.14 -024 
50 18.46 0.10 O17 
18.36 0.10 O17 
8.02 18.26 0.10 O17 
07 18.16 | 0.10 | 020 
16 18.07 0.09 -OOT 
31 17.89 0.18 -0012 
40 17.76 0.13 | oorI4 
17.65 O.II oOoIt 
9.02 17.51 0.14 0012 
17.41 0.10 -OOIT 
27 17.23 0.18 oor2 
his paper is a partial report of work done as an Adams Fund project 
at ay Aitoies agricultural experiment station. 
McGit_ UNIVERSITY. 
