168 



BUDS AND LEAVES 



FIG. 103. Modified Leaves. 1, Insect-catching leaves, sundew (Drosera inter- 

 media) ; 2, insect-catching leaves sundew (Drosera rotundifolid) ; 3, Venus flytrap 

 (Dioncea muscipuld) ; 4, hollow leaf which becomes filled with water and in which 

 the insect dies, pitcher plant (Sarracenia purpurea); 5, hollow leaf serving as a 

 floating organ, water hyacinth (Piaropus crassipes). 



