Yellow Bedstraw, Galium verum
Rubiaceae or Madder Family  

Plants Low, erect plant to 3 feet tall. Leaves very narrow, almost like conifer needles, in whorls of 6 to 8 around the stem. Flowers small, with 4 bright yellow petals, in dense, branching clusters

A lovely, but alien weed of fields and roadsides.  Common in Wildwood in the South Meadow and along the Park edge on Main Street.

Bedstraws are distinctive because of their whorled leaves and small flowers in clusters. This species is easily identified by flower color, other bedstraws having white or greenish flowers.
 

Single plant
Flowers
Leaves