TRANSPIRATION STUDIES. 
Taste 1.—Transpiration of a leafless seedling (A). 
Experiment I. 
15 
Gain in| 
Loss per 
D be ine Cc vet aes Loss per rae 7 unikates vi 
N ew- orrec- joss [per hour, A = Tom an 
Date Time. point. han tion. | from |- from sul pros Time: ao atmom-| Ff 
chlo- plant. | plant. v Stars eter. 
ride. E 
Mars 5200 e 4\ 4h40 
ar. 0.. yop... 5 ron,m. 
Mar 7.1| 600 sm [10.5 {0-11 [0.057 | 0.054 | 0.0041 | 0.00052 tei py }o.0088 0.007 | 0.077 
700 a.m 5.8 645 a.m. 
Zap am) 5.8 )) oss |— or} .036| .os2 | .oosos j{ 8 43 am! on | 019 | .213 
835 am. 7.0 8 30 a.m. = 
1838 ST 7:9 i} -o9t] .000 | 091 | .045 | 00563 116 93 ami ogg | 035 | .162 
1055 am] 7.0 (1100 a.m. 
100 pm| 5.9 } 058 |— .005 | .053] 025 | .00319 |"; 95 oy .065 .052 | .061 
150 pmJj 2.9 |) 145 p.m. 7 
350 pm} 6.0 / -038 {+ .013 | .046) .023 | .00288 ie BE Loe .050 .040 | .672 
Dew-point. Temperature. Humidity. 
Date. Time. 
Bian. | ACO | Ate Blank |AOROm | ate, | Blank, | AERO) An, 
1911. °C, °C, °c. | op | °F. | oF. | pict. p.ct. | p. ct. 
Mar. 6..| 5 00™ p.m. 6.4 6.4 6.4 | 62 62 63 51 BL 51 
Mar.7..| 6 00 am.| —10.5 | —8.0 7.2 | 43 43 43 27 «34 80 
7 00 am. 5.8 5.8 5.8 | 54 54 54 64 64 64 
8 07 am. 3.0 3.3 6.7 | 72 72 71 30 30 38 
8 35 am. 7.0 7.0 7.0 | 76 76 76 35 35 35 
10 35 a.m. 7.0 71 7.0 | 81 81 30 28 28 28 
10 55 a.m. 7.0 7.0 7.0 | 80 80 80 28 28 28 
1 00 p.m. 5.9 6.0 4.0 | 84 84 83 24 24 22 
1 50 p.m. 2.9 2.9 2.9 | 84 84 84 18 18 13 
3 50 p.m. 6.0 5.8 6.0 | 82 81 80 25 25 25 
20 ie 
E Sng, 
ABP ki 
aot © “ St 
. Pye 201 5S eed . 
.05 — 
.00 
06 - 
05 Se ae 
04+ = i pa ae 
.03F ee 
ot cane 
.01f wee 
00 
006+ 
005 Pe 
ne ‘“ 
004) oo “Sy 
-003 a“ ESTE on ie 
v 
002 7 Pe 
a 
001k” 
eae ile 
$5 6 7 8 98 W iH Ww 1 2 8 4 
Fia. 3.—Graphs for transpiration of A, a small leafless seedling. Exp. I. 
