The second one, IMG_0242.JPG, is wild geranium. I eat it raw (small amounts) and cooked and am making a tincture out of the roots; see
http://www.eattheweeds.com/www.EatTheWeeds.Com/EatTheWeeds.com/Entries/1937/7/24_Stork’s_Bill,_Cranesbill.html.
If no one responds on the fourth pic, I'll look it up in my notes (not currently handy). If it's the one I have in my
yard, leaves when young are edible. The first pic almost looks like my sorrels but it's hard to tell from that single pic and angle. I don't recall ever seeing the third one, sorry.