This is a dark-leaved Jack-in-the-pulpit.
Troutlilies were growing and blooming along several trails. This plant was larger than the wild troutlilies that I am used to seeing, and its leaves were not very mottled. Otherwise, it has the same basic structure as the wild version.
Virginia Bluebells are not an easy flower to photograph since the stems bend so much under the weight of the flowers. But they are a pretty shade of blue.
I saw one bloodroot plant, this Double Bloodroot, whose leaves were beautifully lit by the late morning sun. The plant is named for its reddish rhizome that contains a toxic sap.
Visit my Flickr account for larger versions of these images and a few more flowers that I did not include here.