TRANSPIRATION STUDIES. 
TaBLe 11.—Transpiration of a branch in leaf (f) of an adult tree. 
Date, September 14, 1912. 
31 
Experiment X1. 
Dew-point Temperature. | Relative humidity. 
Time. T E Zz 
Bell-jar.| Air. |Bell-jar.| Air. | Bell-jar. Air. 
oe ; £ og. | or, | or, | pect. | pet 
m™ a.m. 0 14.0 es aan Ee ae 
8 20 ea 0.00223 | 0.0140 | 0.169 { 13.8 | 13.0 87 85 36 37 
8 49 a.m. 3 12.5 | 12.5 87 87 34 34 
9 46 ent 00607 -0295 205 { 12:3 | 10.8 | 92 90 28 27 
2p Sm} cose | ome | ot S| S| OB] | | 
ie em} coms | ote | os 3 | 38 | 8 | ts | | 
4B om) ome) oe] om ( $2] 18 | & | BY] d 
293 Ba}] 00s | ost | ost 55] $4 | we | | oe fo 
75 BR }] ozo | ors | om {3 ) fF) ie | in | | 
415 pm. 1.5 1.5 | 101 101 10 10 
6 00 ie 00103 009 110 { 2.0 3.0 95 93 13 15 
L.20 Se, 
L.15 ‘ F 
10 % gpa -E 
Benne one " 
L.05 
Loo 
L.05 ce es 
L 04 — > 
4 \ 
a 
+.03 pa dey \ 
Pa * 
t-02 ee \ E 
a 
L OL ae eee 
L.00 
r.006 re 
t 1. 
+005 oN creer 
e ‘ eas — BONS 
F.004 ( Soh aaen _ 
a rnd S 
L003 / gANga 2 
F007 | A oF 
001 eateets 
W W Ty uw u ‘ u Mt Vv ,f 
7 @ 9 40 11 12 1 +#«2 °~«8 4 °«5 6 
Fiq. 16.—Graphs for transpiration of a branch in leaf (/) 
from an adult tree. Exp. XI. 
