22 
TRANSPIRATION IN A DESERT PERENNIAL. 
Taste 5.—Transpiration of a branch in leaf (e) of an adult tree. Experiment V. 
Date, March 29, 1911. 
I T 
Time. T. Time. E. F 
0.030 0.126 
037 166 
046 181 
-050 079 
051 124 
052 105 
De EE pai ccc ene eee teteladt Se ctr 
3 20 pm.......c lle } 1O0E EO We iceman: Red) Bee 
3.24 PIM. scieuscesbdcaumagie dae 
428 pm........csseeeeeeee } Oe, ee oe scum cc maeence maf] | (a0 Tk oases 
Dew-point. Relative humidity. 
Time. 
Atmom- . Atmom- . Atmom- : 
Plant. ater: Air. | Plant eter. Air. | Plant. eter. Air. 
on OF 2G; a 8 oF, °F, p. ct. p. ct. p. ct. 
—3.0 —3.0 66 66 66 22 22 22 
—8.5 —7.0 71 72 71 12 12 14 
7.0 -—7.0 72 72 72 14 13 14 
0.2 —2.0 82 82 83 19 18 14 
—2.0 —2.0 83 83 83 14 14 14 
0.5 —2.0 88 89 88 14 14 14 
—2.0 —2.0 88 88 88 11 1 il 
0.3 —4.0 90 90 89 13 14 9 
4.5 —4.5 89 89 89 9 9 9 
—1.6 4.5 91 91 90 11 11 9 
—4.5 —4.5 90 90 90 9 9 9 
—1.6 —4.5 91 91 90 12 12 9 
avkieeate: —5.0 89 89 9 9 
—4.5 89 88 9 10 
4.5 88 ae 88 10 10 
—4.0 89 aie 84 9 i 
