May 31, 1924 
Cell Say Density and Environmental Conditions 
879 
Table XII .—Freezing point depressions and osmotic pressures of the sap of shrubs 
on Ephraim Canyon watershed, central Utah, classified by species, type, situa¬ 
tion, altitude, and date of collection —Continued 
[Figures in italics represent averages of two or more determinations] 
Species and type 
Situation 
Cer cocar pus ledifolius Nutt. 
Southern aspect- 
Ceanothus fendleri A. Gray 
Oak brush___! Southern aspect 
Aspen-fir__”°- 
A meld itchier alnifolia Nutt. | 
Oak brush _ Northern aspect. 
Do - Southern aspect. 
Aspen-fir::;/.:/.'/-_! Western aspect.. 
Primus melanocarpa (A. Nels.) Rydb. j 
Oak brush___ j Northern aspect. 
Aspen-fir___j Western aspect.. 
Odostemon repens (Lindl.) Cocker. 
Oak brush__j Northern aspect 
D 0 _ ___| Southern aspect 
Aspen-fir--- 
Purshia tridentata (Pursh) D C. 
Oak brush- 
Pachystima myrsinites (Pursh) Raf. 
Oak brush--- 
Aspen-fir--- 
Rosa fendleri Crepin. 
Oak brush---- ----- 
Aspen-fir- 
Symphoricarpos oreophilus A. Gray 
Oak brush.... 
do. 
j 
! Southern aspect 
Southern aspect. 
_do_ 
Northern aspect. 
Southern aspect. 
Do. 
.__j Northern aspect. 
..J Southern aspect. 
Aspen-fir_ j “--TC^ 0 V 
Spruce-fir_ ! Northern aspect. 
Do___ — - 
Southern aspect. 
Juniper us communis L. j 
Oak brash...—.; Northern aspect. 
Aspen-fir..| Southern aspect. 
Lepargyrea canadensis (L.) Greene 
Aspen-fir.-.j Western aspect.. 
Lonicera involucrata (Richards.) Banks 
Aspen-fir--- 
Lonicera utahensis S. Wats. 
Aspen-fir---. 
Grossularia inermis (Rydb.) Coville and 
Britton 
Spruce-fir--- 
Do__-. 
Do__- 
Western aspect. 
Western aspect. 
Northern aspect. 
Southern aspect. 
_do.. 
Sambucus microbotrys Rydb. j 
Spruce-fir...-. ! Northern aspect. 
p 0 _ j Southern aspect. 
Ribes cereum Dougl. 
Spruce-fir__——.i Southern aspect. 
Alti- 
tude j 
! 
I 
Date 
of collec¬ 
tion 
Depres¬ 
sion of 
freezing 
point 
Os¬ 
motic 
pres¬ 
sure 
i 
Degrees 
Atmos¬ 
Feet 
mt 
a 
pheres 
8,600 
July 
24 
1.05 
12.6 
7,400 
July 
26 
1. 48 
17.8 
8, 600 
July 
25 
1.23 
14.8 
7,400 
July 
19 
1.58 
19.0 
7,400 
...do. 
1. 89 
22.7 
8, 600 
July 
27 
1.45 
17.4 
i 
7,400 
July 
19 
1.50 
18.0 
8,600 
July 
27 
1.43 
17.2 
7,400 
July 
19 
1. 39 
16.7 
7,400 
July 
26 
1.73 
20.8 
8,600' 
July 
25 
1.41 
17.0 
7,400 
July 
26 
1.39 
16.7 
7,400 
July 
26 
1.13 
13.6 
8,600 
July 
25 
0. 97 
11.7 
7,400 
July 
19 
1.43 
17.2 
8, 600 
July 
25 
1.20 
14.4 
7,400 
July 
19 
2. 02 
24.3 
7,400 
July 
26 
2. 27 
27.3 
8,600 
July 
14 
2.07 
24.9 
10,000 
July 
22 
1. 76 
21.2 
9,800 
...do. 
— 
1.98 
23.8 
7,400 
July 
26 
1.01 
12.2 
8,600 
July 
25 
0.98 
11.8 
8,600 
July 
24 
1.18 
14.2 
8,600 
July 
24 
1.49 
17.9 
8,600 
July 
25 
1.23 
14.8 
10,000 
July 
18 
! i. 39 
16.7 
10,000 
July 
12 
1.69 
20.3 
10,000 
July 
15 
1 1.59 
19.1 
10,000 
July 
18 
i 1.08 
13.0 
10,000 
July 
12 
J. H 
13.7 
10,000 
July«J2 
1.18 
14.2 
