Earlier I asked a question about a blue member of the Solanaceae that
came from packet of seeds of geographically unspecifed "flowers
of the meadow".

Now a white one has flowered:

http://www.box.net/shared/static/5od5k5jf09.jpg

It is characterized by a corolla that is 35 mm long (1.4") and which
never opens more than is shown in the photo.

Any suggestions about ID?