882 
Journal of Agricultural Research 
Vol. XXVIII, No. 9 
Table XIII .—Freezing point depressions and osmotic pressures of the sap of herbs 
on Ephraim Canyon watershed, central Utah, classified by species, type, situation , 
altitude, and date of collection —Continued 
[Figures in italics represent averages of two or more determinations] 
Species and type 
Situation 
Alti- 
t e 
Date 
of 
collec¬ 
tion 
1 
De¬ 
pres¬ 
sion of 
freez¬ 
ing 
point 
Os¬ 
motic 
pres¬ 
sure 
Qilia micrantka (Kell.) A. Nels.' 
Spruce-fir . . ... 
Southern asnect 
Feet 
10,000 
mi 
July 12 
Dearees 
~C. 
1.32 
Atmos¬ 
pheres 
15.9 
Viguiera multiflora (Nutt.) Blake 
Spruce-fir____ 
Southern aspect.. 
10,000 
July 18 
1.04 
12. 5 
Helenium hoopesii A. Gray 
Aspen-fir___ 
Northern aspect. 
8, 600 
July 27 
0.99 
11.9 
Helianthella uniflora (Nutt.) T. & G. 
Spruce-fir._.. 
Northern aspect . 
10, 000 
July 21 
0.S6 
10. 4 
Heracleum lanatum Miehx. 
Spruce-fir... 
Northern aspect 
10,000 
July IS 
1.23 
14.8 
Hordeu-m nodosum L. 
Spruce-fir... 
Northern aspect 
10,000 
July 14 
1.41 
17.0 
Ivesia gordonii (Hook.) Torr. & Gray 
Spruce-fir....... 
Northern aspect 
10,000 
July 21 
1.38 
16. G 
Hyoscyamus niger L. 
Oak brush _ 
Northern aspect 
7, 400 
July 26 
0. 95 
11.4 
Iva axillaris Pursh 
Aspen-fir. ___ 
Western aspect 
8, 700 
July 27 
1.12 
13. 5 
Lathyrus 1e acanthus Rydb. 
Aspen-fir ____ . . . 
Northern aspect 
8, 700 
10,000 
30, 000 
July 14 
July 18 
July 12 
1. 06 
12. 8 
Spruce-fir _ _ _ 
0. 96 
11.6 
Do _____ 
Southern asnect 
1. 12 
13. 5 
Lavauxia tiara A. Nels. 
Spruce-fir _ . 
Southern aspect 
10,000 
July 18 
0.70 
M 
Leontodon taraxacum L. 
Oak brush _ . 
Northern aspect 
7, 400 
July 19 
do 
1.17 
14.1 
Do _ _ 
Sagebrush flat (under sage) 
Sagebrush flat (in open)... 
Southern aspect 
7 400 
1. 26 
15. 2 
Do_ 
7 400 
do 
1 08 
13. 0 
Spruee-fir _ ... 
10. 000 
July 12 
0. 96 
11.6 
Lesquerella utaheusis Rydb. 
Spruce-fir _ . . 
Southern aspect J 
10,000 
July 14 
0. 97 
11.7 
Ligusticum tilicinum S. Wats. 
Aspen-fir _ . 
Northern aspect j 
8 700 
July 25 
July 18 
...do _ 
1.14 
13. 7 
Spruce-fir _ _ 
10,000 
10,000 
1 . 21 
14. 6 
Do_ 
Southern aspect 
1.32 
15. 9 
Lupinus alpestm A. Nels. 
! 
j 
Aspen-fir _ 
Northern aspect 
8, 700 
July 14 
July 18 
0. 85 
10. 2 
Spruce-fir _ . 
do j 
10, 000 
! 
0. 92 
11.1 
Marrubiu m vulgare L . 
! 
Pinon-juniper _ 
Southern aspect __ • 
6,000 
July 23 
1.79 
21.5 
