Bird's-eye Speedwell

Veronica chamaedrys (Germander Speedwell, Bird's-eye Speedwell[1]) is a species of Veronica, native to Europe and northern Asia. It is found on other continents as an introduced species. It is a herbaceous perennial plant with hairy stems and leaves. It can grow to 25 cm tall, but is normally about 12 cm tall. The flowers are blue, with a four-lobed corolla. The form of the leaves are similar to white deadnettle.
http://en.wikipedia.org/wiki/Veronica_chamaedrys