’ 
. } 125 
1893.] The Tendrils of Passiflora. 
i 5 t if the 
thout effect, but 
tact of mercury was wi anaes 
shessae a vessel of mercury be brought forcibly aga 
tendril, distinct curvatures resulted. 
impact and 
of response depended altogether upon the force eee of the 
rather than the ea gare laaecscu 
- No extended experiments were made he Pe Nivtadeese 
stimuli, but no results were obtained by the use of the 
from a Leclanché cell. 
If the temperature of 
Were raised to 40°C. cy 
fated to 50°C. were 
lowed. If the 
atures could 
the water in the previous septa 
Ives were produced; or ifa she ar 
held near the tendril like results 3 
water were in the form of snow or ice no os 
€ obtained, although the hard crystals wars 
mechanical contact. The resu 
on the osmotic action of the cells, 
periment with the heated rod the tendril can 
ve backward. 
notes that t 
tts lobata 
» Would not form curves when mutually 
is ge 
be Made to cur 
. Darwin 
Echinocys 
«Unter 
te directions, and were quickly 
y of the tendrils be fixed taut the 
round it as has been demonstrated numerous 
tendrils formed a mass of mutual 
also been noted to grasp and crush in- 
7 Its coils the | 
T: Untersuc 
