£52 THE BEHAVIOUR OF PLANTS 
the day, you will see that the stem swings slowly 
around in circles. 
The honeysuckle swings from left to right, or “with 
the sun.” The convolvulus coils in the opposite direc- 
tion. Which way does the black bryony 
coil? How is it with the “dodder,” or 
“hop-plant” ? Study other creepers that 
you see. If you wind the convolvulus 
stem or the honeysuckle in the opposite 
way from that m which you find it grow- 
ing, and fasten it, which way will the 
young end coil when left to itself? 
Climbing by tendrils. The pea plant, 
the white bryony, and some other plants 
rie.1s7, stenot Climb by tendrils. The 
dodder with 
suckers entering 
via * “* bers, and melons also have 
tendrils, but rarely climb, 
as they are usually cultivated where 
there is no opportunity. But these 
plants are good ones for the study of 
tendrils, as they grasp other plants near 
them. Their tendrils are long.and slen- ~ A 
der. Before they have caught hold of Mi. Rey 
a support the end is curved to one side 
and the tendril swings, somewhat as the stem of the 
convolvulus does, until it touches some object. The 

squash, marrow, cucum- 


