902 
Journal of Agricultural Research voi. xxvn, no. 12 
TABLE IV .—Physicochemical constants for species of the sagebrush association of the 
alluvial fans —Continued 
Growth form and species. 
SHRUBS AND HALF SHRUBS-COntd. 
Chrysothamnus sp. 
Do. 
Do. 
Chrysothamnus latifolius (D. C. 
Eat.) Rydb. 
A triplex canescens (Pursh) Nutt.... 
Average. 
Atriplex confertifolia (Torr.) S. 
Wats. 
Tetradymia nuttallii T. & G 
Average. 
Ribes inebrians Lindl. 
Rhus trilobata Nutt. 
Symphoricarposoreophilus A.Gray.. 
PERENNIAL herbs 
Agoseris pumila (Nutt.) Rydb 
Average. 
Agoseris elata (Nutt.) Greene. 
Agropyron spicatum (Pursh) S.& S. 
A llionia linearis Pursh. 
Astragalus sp. 
Astragalus cibarius Sheldon, 
Average. 
Astragalus utahensis T. & G. 
Balsamorrhiza hirsuta Nutt. 
Balsamorrhiza sagittata (Pursh) 
Nutt. 
Castilleja hispida Benth. 
Average. 
Chaenactis stevioides H. & A 
Average. 
Date. 
1920. 
June 5 
June 15 
. .do._ 
do. 
June 5 
June 15 
June 15 
June 5 
June 15 
June 7 
June 15 
June 9 
June 
. .do. 
June 7 
June 15 
. .do_ 
. .do_ 
June 
June 
Cirsium neomexicanum A. Gray... . 
Crepis gracilis (D. C. Eat.) Rydb... 
Erigeron pumilis Nutt. 
Eriogonum elatum Dougl. 
Average. 
June 
June 
June 7 
...do. 
June 9 
June 
June 
. .do. 
June 
June 7 
. .do. 
. .do. 
Freezing 
point 
depres¬ 
sion, 
A. 
I.42 
1-35 
1.49 
1.41 
1.86 
I.80 
I.83 
3-09 
i-55 
1.60 
I - 58 
1.60 
1.58 
1.86 
0.94 
0.92 
o-93 
0.90 
1.58 
0.91 
1.21 
i-37 
1.36 
i-37 
1.12 
1.09 
1.22 
1.49 
i-55 
I *5 2 
11 
07 
09 
15 
, 12 
■32 
1.19 
1.18 
1.19 
Atmo¬ 
spheres 
osmotic 
concen¬ 
tration, 
P. 
Specific 
electrical 
conduc¬ 
tivity, 
K. 
17.O 
16.3 
17.9 
17.0 
22.4 
21.7 
22.1 
37-o 
18.6 
19.2 
18.9 
19-3 
19.0 
22.4 
11.4 
11.1 
“•3 
10.9 
19.0 
11.o 
14.6 
16.5 
16.4 
16.5 
13-4 
i 3 -i 
14.7 
17.9 
18.6 
18.3 
13-4 
12.9 
13.2 
13-9 
i 3-5 
15.8 
14.4 
14.2 
14.3 
0.0201 
.0260 
.0236 
.0248 
•°3S4 
.O384 
.O369 
.0652 
.0342 
.0308 
•0325 
.0214 
.OI38 
.OIl6 
.0226 
.0213 
.0220 
.0228 
•0333 
.0228 
•0175 
.0166 
.OI93 
.0179 
.OI83 
.0241 
.O258 
•0330 
•°33 I 
.0330 
.0232 
•0235 
.0234 
.0252 
.0260 
.0272 
.0191 
.0179 
.0185 
Ratio, 
conduc¬ 
tivity to 
depres¬ 
sion, 
K/A. 
0.0141 
.0192 
.0158 
.0176 
.0190 
.0213 
.0201 
.0212 
.0221 
.0193 
.0207 
.0134 
.0087 
.0062 
0239 
0232 
O236 
O252 
,0211 
,0249 
,0145 
.0121 
.0141 
.OI3I 
.0165 
.0221 
.0211 
.0221 
.0213 
.0217 
.0209 
.0218 
.0214 
.0219 
.O23I 
.0207 
,Ol6o 
.0151 
.OI56 
Chlo- 
rids 
per 
liter, 
Cl. 
3.8 
3-5 
3-9 
7-7 
7-7 
0.7 
0.7 
■2.8 
1.8 
0.2 
4.1 
2.5 
3-3 
3-3 
2.9 
2.8 
2-5 
1.0 
1.1 
1.1 
1.8 
1.6 
2.0 
1.4 
1.4 
1.4 
4.4 
4.4 
2.5 
2.3 
2.4 
