884 
Journal of Agricultural Research 
Vol. XXVIII, No. 
——- - " o 
Table XIII .—Freezing point depressions and osmotic pressures of the sap of herbs 
on Ephraim Conyon watershed , central Utah, classified by species , type , situation , 
altitude, and date of collection —Continued 
[Figures in italics represent average of two or more determinations] 
Species and type 
Rumex salicifolius Weinm. 
Spruee-fir...... 
Saxifraga arguta Don. 
Spruce-fir___ 
Senecio columbianus Greene 
Spruce-fir..:___ 
Sophia incisa (Engelm.) Greene 
Spruce-fir...... 
Stipa lettermannii Vasey 
Oak brush.. 
Stipa minor (Vasey) Scribn. 
Spruce-fir___ 
Do..... 
Thalictrum fendleri Engelm. 
Spruce-fir... 
Trisetum spicatum (L.) Richter 
Spruce-fir__.... 
Vagnera amplexicaulis (Nutt.) Morong. 
Aspen-fir.___ 
Vagnera stellata (L.) Morong. 
Spruce-fir....... 
Valeriana ceratophylla (Hook.) Piper 
Spruce-fir..... 
Valeriana occidentalis Heller 
Spruce-fir.... 
Viola linguaefolia Nutt. 
Spruce-fir..... 
Viola neomexica na Greene 
Spruce-fir..... 
Wyethia amplexicaulis Nutt. 
Aspen-fir........ 
Zygadenus venenosus S. Wats. 
Spruce-fir..... 
Situation 
Alti¬ 
tude 
Date 
of 
collec¬ 
tion 
De¬ 
pres¬ 
sion of 
freez¬ 
ing 
point 
Os¬ 
motic 
pres¬ 
sure 
Southern aspect_ 
Feet 
10,000 
1921 
July 12 
Degrees 
C. 
0.81 
Atmos¬ 
pheres 
9.8 
Northern aspect_ 
10,000 
July 18 
0.86 
10.4 
Northern aspect_ 
10,000 
July 15 
0.96 
11.6 
Southern aspect__ 
10,000 
July 12 
1.07 
12.9 
Sage brush flat.. 
7,400 
July 26 
1.17 
14.1 
Northern aspect... 
10,000 
July 21 
1.4S 
17.2 
Southern aspect... 
10,000 
July 14 
1.66 
20.0 
Southern aspect__ 
10,000 
July 12 
1. 49 
17.9 
Southern aspect__ 
10,000 
July 15 
1. 33 
16.0 
Northern aspect_ 
8,700 
July 24 
1.17 
14.1 
Southern aspect... 
10,000 
July 12 
1.17 
14.1 
Southern aspect. 
10,000 
July 12 
0. 96 
11.6 
Northern aspect. 
10,000 
July 18 
0.89 
10.7 
Southern aspect.. 
10,000 
July 12 
1.09 
1S.1 
Northern aspect-.-.-.._ 
10,000 
July 18 
0.82 
9 .9. 
Western aspect.. 
8,600 
July 26 
1.83 
22.0 
Northern aspect.. 
10,000 
July 21 
1.10 
13.2 
