The only tree BARK I know
that humans consume is cinnamon.
The Big Bang Theory Season 4, Episode 3
I need fennel root for those with fever,
willow BARK. Mostly I need milk of the poppy.
Game of Thrones Season 2, Episode 7
Don't BARK at me. I fell too.
The Big Bang Theory Season 3, Episode 14
Bark once if you need me
to call PETA.
The Big Bang Theory Season 7, Episode 10
Well, beavers eat tree BARK.
The Big Bang Theory Season 4, Episode 3