PLANT PHYSIOLOGY 147 
the purpose of entrapping insects. Nepenthes, Sarra- 
cenia, and Cephalotus are Pitcher-plants, in which the 
Fig. .79.—Venus's Fly-trap (Dionea muscipula). 
whole or part of the leaf is modified to form a trap- 
like receptacle with a lid, which is brightly coloured, 
10* 
