PHANEROGAMIA. 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. 
545. Many plants catch insects by means of their sticky 
Fig. 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 the sticky belts on the stems of various 
species of Catchfly, or the sticky spots on the bracts sur- 
