Identify these two plants
 

Please take a look and tell me what these are. Located at a lake outside
Portland Oregon. I believe one is wapato... but which? And what is the
other? They are growing in the same area, are similar in size and have
similar flowers.

Thanks in advance.

karen

http://users.easystreet.com/markie/extra/wapato_01.jpg
http://users.easystreet.com/markie/e...apato_thin.jpg