#3 Solanum dulcamara, Bittersweet Nightshade ? http://www.kingcounty.gov/environme...ed-identification/bittersweet-nightshade.aspx
I thought that saltcedar as there are bittersweets in the area but this seems to be growing from a tree, as in attached to to the branch. The tree is the right behind a crab apple tree of approximately the same height.