6 



DROSERA ROTUNDIFOLIA. 



CUAP. L 



part, which alone is capable of movement, consists of a prolon- 

 gation of the leaf; the spiral vessels being extended from this 

 to the uppermost part. We shall hereafter see that the ter- 

 minal tentacles of the divided leaves of Eoriclula are still in 

 an intermediate condition. 



The glands, with the exception of those borne by the extreme 



Fin. 3. 



, rottiitdifolia.) 

 Ivmg tudlrul section of a gland ; greatly magnified. From l>r. \Varming. 



marginal tentacles, are oval, and of nearly uniform size, viz. 

 about 5-^0 of an inch in length. Their structure is remarkable, 

 and their functions complex, for they secrete, absorb, and are 

 acted on by various stimulants. They consist of an outer layer 

 of small polygonal cells, containing purple granular matter or 

 fluid, and with the walls thicker than those of the pedicels. 



