204 VEGETABLE PHYSIOLOGY 
apex attaches itself to the ground, and the free portion 
moves round, describing a sort of spiral in the air. If 
ea hee 
poarpiriie: 
Z 
seu 
Fie. 102.—Srcrion or Stem or DicotynEponous PLANT ATTACKED BY 
Havustoria oF Cuscuta. 
it comes in contact with a suitable host, it twines round 
it after the fashion of a tendril, and numerous suckers are 
