OTHER METHODS OF OBTAINING FOOD 205 



are other stalked gland-like structures growing from the 

 walls, which probably serve to hinder the escape of the prey. 

 Bartsia possesses a somewhat similar mechanism, which 

 is associated with its subterranean buds. 



FIG. 98. LEAF OF Lathrcea ENLARGED, SHOWING THE CHARACTER OF THE 



CAVITY OR PRISON-CHAMBER. X 60. 6, PLASMIC THREADS RADIATING 



FROM THE CELLS OF THE LITTLE HEADS, x 540. (After Kerner.) 



There are other plants which effect the capture and 

 digestion of insects in other ways. Drosophyllum, which 

 is found in part of the Mediterranean region, is furnished 

 with a number of long filiform leaves, which are closely set 

 with stalked glands. These pour out a peculiar mucila- 

 ginous secretion which forms a drop of very glistening 

 appearance round their swollen heads. There are other 

 sessile glands among them which exude an acid digestive 

 secretion resembling the gastric juice of the stomach, when 

 they come into contact with proteid animal matter. An 



