GEOGRAPHICAL DISTRIBUTION 179 



about ten miles wide and extending about 40 miles south of 

 Wilmington, North Carolina. The yellow waterlily (Nym- 

 phcea mexicana Zuccarini) l may also be cited as an aquatic 



FIG. 79. Venus fly trap (Dioncea muscipula). 



example of an indigenous endemic, being known only from 

 Florida, Texas, and Mexico. 2 



1 Castalia flava Greene (1888). 



2 Conard, Henry S. The waterlilies, p. 167 and 213. Carnegie Insti- 

 tution of Washington, Publication No. 4. 1905. 



