Fie. 3. Spines, etc., in traps: 1. Genlisea; inside of a piece of tube. 2. Hellamphora; spines 

 upon interior walls of trap. 3. Sarriicenia purpurea; a piece of the mouth of trap. 4. Sarracenia 

 purpurea; section through inside wall of lower part of trap. 5. Nepenthes; .spines of interior wall 

 near mouth of trap. Greatly enlarged. 



Fig. 4. Sarracenia pu7jmren. 



