Mar. 22 ,1924 
Tissue Fluids 0} Indicator Plants 
897 
Table I .—Physicochemical constants for species of the Stansbury Mountains athigher 
altitudes —Continued 
Growth form and species. 
Date. 
Freezing 
point 
depres¬ 
sion, 
A. 
Atmo¬ 
spheres 
osmotic 
concen¬ 
tration, 
P. 
Specific 
electrical 
conduc¬ 
tivity, 
K. 
Ratio, 
conduc¬ 
tivity to 
depres¬ 
sion, 
K/A. 
Chlo- 
rids- 
per 
liter,. 
Cl. 
trees— continued 
Acer glabrum Torr. 
1920. 
July 23 
I. OO 
12.0 
O.OI25 
O.OII3 
0.8 
...do. 
O.90 
10.8 - 
•0133 
.0148 
0.6 
Average. 
0-95 
II.4 
.OI29 
.0130 
0.7 
Prunus melanocarpa (A. Nels.) 
Rydb. 
June 
21 
1-54 
18.s 
.0122 
.0080 
0.3 
Salix scouleriana Barr. 
July 
23 
1.18 
14.2 
SHRUBS AND HALF SHRUBS 
Artemisia tridentata Nutt. 
July 
23 
1.62 
19-5 
.OI64 
.OIOI 
2.2 
Cercocarpus ledifolius Nutt. 
June 
21 
1.44 
i 7-3 
.OO67 
.0047 
0.8 
July 
23 
1.89 
22.7 
.0068 
.OO36 
0.2 
Average. 
1.67 
20.0 
. 0068 
.OO4I 
0. c 
Opulaster malvaceus (Greene) Kun- 
tze. 
June 
21 
1.19 
14.3 
.OI44 
.0121 
0.3 
July 
23 
I- 5 6 
18.8 
.0122 
.OO78 
0.4 
Average. 
1.38 
16.6 
•0133 
.oloo 
0.4 
Pachystima myrsinites (Pursh) Raf.. 
June 
21 
1.26 
15-2 
.OO93 
.OO74 
Sambucus microbotrys Rydb. 
.. .do. 
1.06 
12.8 
.0247 
. 02 72 
0.2 
July 
23 
1.09 
13.2 
.OI84 
O 
.0168 
0.8 
Average. 
1.08 
13.0 
.0215 
.0200 
0.3 
Sorbus scopulina Greene. 
June 
21 
I -55 
18.6 
.OI36 
.0088 
0.2 
HERBS 
Aquilegia thalictrifolia Rydb 
July 
23 
i -53 
18.3 
Aquilegia truncata Fisch. & Mey_ 
_dn_ 
1.28 
IC. K 
.0156 
.0122 
Arnica longifolia D. C. Eat. 
. ..do. 
0.87 
10.5 
J 
.0213 
.0244 
1.7 
Balsamorrhiza sagittata (Pursh) Nutt. 
June 
21 
1.27 
15-3 
.0221 
.0174 
1 -3 
Castilleja linariaefolia Benth. 
July 
23 
1.70 
20.4 
.0189 
• OIII 
1.9 
Claytonia lanceolata Pursh. 
June 
21 
o -59 
7 -i 
.0147 
.0251 
. 0.2 
Cogswellia grayii C. & R. 
.. .do. 
1.47 
17.6 
.0203 
.OI38 
1.6 
Cynomarathrum Nuttallii A. Gray. . 
... do. 
1.14 
/ 
i 3-7 
.0184 
.Ol6l 
3 -° 
July 
23 
1.02 
12.3 
.0210 
.0206 
2.3 
Average. 
I.08 
13.0 
.OI97 
.0184 
2-7 
Eriogonum subalpinum Greene.... 
June 
21 
I.21 
14.6 
.OI4I 
.OIl6 
i -7 
July 
23 
1.68 
20.2 
.OI78 
.0106 
2.3 
Average.. 
i -45 
17.4 
. Ol6o 
.0111 
2.0 
Erythroniumparviflorum (S. Wats.) 
Goodd. 
June 
21 
0.99 
11.9 
.OO93 
.0095 
— do. 
. . . . 
0.96 
ii -5 
.OO99 
.0104 
0.5 
Average. 
0.98 
11.7 
.OO96 
.0099 
Frasera sp. 
June 
21 
0.76 
0.1 
.0071 
.0094 
7 
Fraser a speciosa Dougl. 
July 
23 
1.00 
12.0 
.OIOO 
.0100 
1.4 
