3o6 (ilJMI'SES INTO PLANT-LIFE 



plants of peculiar structure and appearance. The 

 leaf is folded and modified into a tunnel-shaped 

 tube differing in form in the various species. In 

 all there is a kind of cap or lid to the tube, so 

 that rain is kept out. In one or two species the 



SAKKACKNIA Fl.AVA. 



lid is so arranged that the mouth is exposed. In 

 the bottom of these tubes there is usually a 

 quantity of somewhat slimy fluid. The inner 

 face of the lid and surface just inside the rim of 

 the tube is smooth, usually of a bright shining 



