5: Horse nettle. Poisonous. (Prospect Park, May 22, 2011)

3: Horse nettle. In nightshade family. Poisonous. (Prospect Park, Jul 8, 2001)

4: Horse nettle. In nightshade family. Poisonous. But the bees like it. (Prospect Park, Jul 8, 2001)

2: Horse nettle. Poisonous. (Central Park, Aug 20, 2000)

1: Horse Nettle. Poisonous!! (Central Park, Nov 21, 1999)