Canada Serviceberry (Amelanchier canadensis) 2015-4-21 D&M, MD

aka Shadbush

Amelanchier canadensis or Amelanchier laevis are native to the coastal plain in Delaware. A. canadensis is the smallest.
-blooms in Spring
-berries, red to maroonish-purple to black, are sweet and edible - birds love them, so be quick to pick
-easy to transplant
-likes wet surroundings
-yellow/orange Fall leaves

http://www.friendsofthewildflowergarden.org/pages/plants/serviceberry_canadensis.html
https://upload.wikimedia.org/wikipedia/commons/1/10/Amelanchier_canadensis_%E2%80%94_Flora_Batava_%E2%80%94_Volume_v14.jpg

A. canadensis:
Friends of the Eloise Butler Wildflower Garden
http://www.friendsofthewildflowergarden.org/pages/plants/serviceberry_canadensis.html
says about the flowers:
"Flowers may have up to 20 stamens with yellow-green filaments and yellow anthers and the pistil has 5 yellow-green styles."
this specimen fits that description

A. laevis:
Univ. of Connecticut
http://www.hort.uconn.edu/plants/detail.php?pid=46
says the flowers have glabrous pedicels
this specimen clearly has hairy pedicels

There are more species of Amelanchier but the two above are native to the coastal plain of Delaware.