ROSALES 



499 



Fig. 260b. The Venus Fly Trap (Dionaea muscipula) showing the rosette arrangement and 

 with some of the traps closed and others opened to catch the insects. (Kerner-Oliver, Dept. 

 Ent. Univ. of Minn.). 



Fig. 260c. Insect Traps. 1, Dioiuna; 2. Section through folded leaf; 3, One of the Spines. 

 4, Leaf of Aldrovanda; s, Section of closed leaf; 6, Glands upon trap; 7, Glands in the wall 

 of trap of Sarracenia. (Kerner. Dept. Ent. Univ. of Minn.). 



