1921] STRAUSBAUGH—DORMANCY AND HARDINESS 349 
except those in which the more dilute acids were used. Since this 
uniformity of water movement in both hardy and semihardy buds 
was not in accord with the behavior of the buds under normal 
conditions, it was thought that it might be due to the escape of 
Wa Ty 
RSs Ag 
| Q 
2 
3 A| 
A 
4 2 
1 
5 
J 3 
6 
7 T2 
8 
9 3 
10 
M ARCH APRIL 
10 13 1 UNEP Bgeer +. 2629 _~3! ae 2 8 
- Fic. 4.—Loss of moisture from twigs with buds attached when exposed to atmos- 
phate fuchaat over sulphuric acid of different concentrations; A, Assiniboine; 
T, Tonka; concentrations of acid as follows: (1) 24.12 per cent, (2) 37.45 per cent, 
and (3) 84.50 per cent; C, distilled water check. 
moisture through the wound surface made in severing the buds 
from the twigs. To test this assumption a collection of twigs with 
the buds in place was introduced into the sealed chambers and 
weighed at regular intervals of 24-48 hours. The cut ends of the 
