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CLASSIFICATION 



Order. The leaves of these plants as apparatus for 

 entrapping insects have already been described on 

 pp. 67 and 68. The arrangement for self-pollination 

 in Aldrovanda is interesting: the anthers get bound 

 to the stigma by pollen-tubes. Venus's Fly-trap 



Fig. 194. — Venus's Fly-trap {Uioncea niiiscipuln) 



{Dioncea muscipuld) (fig. 184), a plant of North 

 American bogs, is well known for its sensitive leaves, 

 which, like rat-traps, enclose flies and other insects, 

 and digest them. Aldrovanda vesiculosa is the Indian 

 -representative of Venus's Fly-trap. 



Nat. Order 5. Haloragacece. — This is a family of 

 water-plants with inferior ovary, and is represented in 



