Anthriscus sylvestris - Cow Parsley

This is a very common flower of spring and early summer on shaded roadsides and similar places.

The distinctive leaves are 2 or 3-pinnate giving them a fern-like appearance. 

Stem furrowed, downy below, hairless above.  Plant not aromatic. 

Umbels have 4-10 primary rays and no lower bracts but several undivided upper bracts.  Umbel has gently curving surface but not at all globular.

Flowers > 3 mm across. Petals slightly notched or unnotched, outer flowers have outer petals larger, inner ones have all petals same size. Fruits small and black.