Mar. 22, 1924 
Tissue Fluids of Indicator Plants 
911 
Table X. —Physicochemical constants for species other than grasses in the grass-flat 
communities 
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. 
SHRUBS AND HALF SHRUBS 
Sarcobatus vermiculatus (Hook.) 
1020. 
Torr. 
Tune 
18 
2. IO 
25.2 
0.0499 
0.0238 
7-7 
A triplex nuttallii S. Wats. 
3*°9 
37 -i 
•0587 
.0190 
17.1 
Allenrolfea occidentalis (S. Wats.) 
Kuntze. 
.. .do. 
2.11 
27.2 
.0617 
.0198 
17.5 
July 
27 
O’ 
3-70 
44.4 
/ 
.0700 
.0186 
21.8 
.. .do. 
3 - 43 
41.1 
.0675 
.0197 
25.0 
.. .do. 
.... 
3 - 4 i 
40.9 
.0672 
.0197 
.. .do. 
.... 
3 -S 6 
42.6 
.0690 
.0194 
19.1 
.. .do. 
.... 
3. 21 
38.5 
.0652 
.0203 
14.6 
Average.. 
3-40 
40.8 
.0667 
.0196 
19.6 
HERBS, OTHER THAN GRASSES 
T 
% 
Salicornia rubra A. Nels. 
July 
27 
3- 2 4 
38.9 
.0615 
.0190 
27-3 
A triplex rosea Iy. 
June 
18 
2.02 
24-3 
.0416 
.0206 
9-5 
July 
1 
3-24 
38-9 
.0601 
.0185 
22.1 
Average. 
2.63 
31.6 
.0509 
.0195 
15.8 
Grindelia squarrosa (Pursh) Dunal.. 
July 
27 
1.47 
17.6 
.0324 
.0220 
S-o 
MARSH HERBS 
Eleocharis sp. 
.. do. 
1.07 
12.0 
.0251 
•° 2 3 S 
5 -i 
J'il'n.r.'us bn.ltic.us Willd - -. 
_do. 
1.36 
7 
16.4 
.0200 
.0213 
7.1 
Scirpus olneyi A. Gray. 
June 
12 
0 
i- 5 o 
18.0 
.0367 
.0244 
8.8 
July 
11 
1-34 
16.1 
.0322 
.0240 
7-5 
July 
27 
1.16 
14.0 
.0316 
.0273 
4-7 
Average. 
i -33 
16.O 
• 0335 
.0252 
7.0 
Triglochin maritima L. 
June 
12 
2.64 
SI .6 
• 0535 
.0203 
21.1 
June 
18 
2.64 
Si .6 
.0528 
.0200 
19 *7 
Average. 
2.64 
Si .6 
• 0532 
.0202 
20.4 
Table XI. —Physicochemical constants for the grasses in the grass-flat communities 
Name. 
Sporoholus air aides Ton* 
Distichlis spicata (L.) Greene 
Hilaria jamesii (Torr.) Benth 
Date. 
Depres¬ 
sion of 
freezing 
point, 
A. 
Atmos¬ 
pheres 
osmotic 
concen¬ 
tration, 
P. 
Specific 
electrical 
conduc¬ 
tivity, 
K. 
Ratio, 
conduc¬ 
tivity to 
depres¬ 
sion, 
K/A. 
1920. 
July 27 
2.82 
33-9 
0.0441 
O.OI56 
June 28 
I.90 
22.8 
•0338 
.0178 
July 17 
2-45 
29.4 
.0396 
.0162 
July s 
2.88 
34.5 
...do. 
363 
40.5 
.0520 
.OI43 
1921 
June 20, 
2.94 
35-3 
.0371 
.0126 
June 29 
1.64 
19.8 
.0284 
.0172 
1.07 
12.9 
.0172 
.Ol6l 
Chlor- 
ids per 
liter. 
Cl. 
I 5 - 
7 - 
11. 
*3 ■ 
20. 
7-9 
2.1 
Q 4^ S? Q N 
