Cuar. IIL. " §MILACEA. 119 
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side, they slowly bend to that side, and subsequently 
become straight again. The back or convex side 
when placed in contact with a stick became just per- 
ceptibly curved in 1 hr. 20 m., but did not completely 
Fig. 7. 
Smilaz aspera. 
surround it until 48 hrs. had elapsed; the concave side 
of another became considerably curved in 2 hrs. and 
clasped a stick in5 hrs. As the pairs of tendrils grow 
old, one tendril diverges more and more from the 
other, and both slowly bend backwards and downwards, 
so that after a time they project on the opposite side 
