INSECTIVOROUS PLANTS 



67 



provided with sharp fine 

 teeth. How they are dis- 

 solved and digested has not 

 yet been fully investigated, 

 but the probability is that 

 the glands secrete a diges- 

 tive juice, as in Drosera. 

 Bits of the plant are seen 

 floating in the salt-pans 

 round about Calcutta (see 

 figs. 68, 69). 



The lal - bharenda {Ja- 

 tropha gossypifolia) is also 



Fig. 68. — Malacca Jhang^i 

 {Aldrovanda vesiculosa) 



Figr. 69. — Capturing Apparatus of Leaves 

 of Aldrovanda 



1 , Expanded leaf. 2, Section of a closed 

 leaf. 



seen to have insects on the glandular hairs of its 

 leaves and stems, and it is highly probable that the 

 plant derives its nourishment from them. We know 



