Cyprus knees give roots whatever oxygen they may need, poking up through the water which provides home to many water plants.
Pretty purple flowers blooming on Pickerel Weeds.
I enjoyed it a lot...and got some great exercise on a coolish bright day. The humidity off the river and the watery places all around it wasn't a bother because of a nice spring breeze.
Next time I'll show you the view from the observation tower.