PUANMEOQAMIA. 



269 



insectivorous habits of certain plants. Here again no more 

 than a fragment can be given, barely enough to introduce 

 the student to the subject. 



645. Many plants catch insects by means of their sticky 



I^o. 147.— A Sundew plant. Natural size. 



glandular hairs, or glandular surfaces upon their stems or 

 leaves. This may be readily seen by examining a petunia 

 or tomato stem, or tte sticky belts on the stems of various 

 species of Catchfly, or the sticky spots on the bracts sur- 



