3: Shepherd's purse (Prospect Park, Mar 4, 2001)

4: Shepherd's purse closeup (Prospect Park, Mar 4, 2001)

1: Shepherd's Purse. Better before it flowers. In garlic family. (Prospect Park, Mar 25, 2000)

2: Shepherd's Purse with flower. (Prospect Park, Mar 25, 2000)

5: Shepherd's purse (Prospect Park, Apr 22, 2001)

6: Shepherd's purse flower. Note four petals. (Prospect Park, Apr 22, 2001)

7: A more mature shepherd's purse. (Prospect Park, Apr 22, 2001)

8: Shepherd's purse. Flowers closeup. (Central Park, May 8, 2005)

9: Shepherd's purse. The bottom. (Central Park, May 8, 2005)

10: Shepherd's purse. The whole thing. A bit hard to photograph. (Central Park, May 8, 2005)

13: Shepherd's purse. (Prospect Park, May 22, 2011)

14: Shepherd's purse flower and stem closeup. (Prospect Park, May 22, 2011)

15: Shepherd's purse flower closeup. (Prospect Park, May 22, 2011)

16: Shepherd's purse. Nice patch. (Prospect Park, May 22, 2011)

11: Shepherd's purse. Very young. (Marine Park, Nov 27, 2005)

12: Shepherd's purse. A little older. (Marine Park, Nov 27, 2005)