also some partridge berry and wintergreen
This patch of forest was chock-full of these leaves. Couldn't figure out what they were until I found one with the round bluish fruit just after my camera battery ran out (thanks, camera).
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Clintonia borealis (commonly Blue-bead lily or Clintonia, also Clinton's Lily, Corn Lily, Cow Tongue, Yellow Beadlily, Yellow Bluebeadlily, Snakeberry, Dogberry, Straw Lily), is a perennial forest plant found in eastern North America. It was once classified within the genus Convallaria.