The below info was taken from the Michigan's Otherside Web site. They are symbols you may see while in a cemetery. Thought you fellow graveyard walkers might be interested.
Dove - The dove is a very common animal symbol, mostly because of its Biblical meaning. Usually holding an olive branch which refers to Noah from the Bible. Also a symbol of purity and peace.
Willow Trees - Grief, sorrow and immortality.
Closed book - Many represent the bible but they can also stand for a life completed.
Curtains - Passing into another existence. Protection.
Broken Column - Life cut short and life coming to an end. A very popular symbol in cemeteries in the 19th century.
Praying Hands - Christian symbol.
Lambs - Innocence. Usually found on the graves of children and babies.
Flowers - Flowers have been used in burial ceremonies since the early days of civilization and before. Flowers have always held a soft spot in people. Their beauty and fragility is a symbol for life and love.
Fingers pointing up - A symbol of the soul rising to heaven.
Hands shaking - Matrimony. Sometimes there is one masculine hand and one feminine hand. Look at the sleeves of the hands. If there is no difference in the sleeves, then the hands are a symbol of being greeted into heaven or saying good-bye from earth.
IHS and IHC - Many times these letters are seen connected with each other. IHS comes from the first three letter of Jesus’ name using the Greek alphabet: Iota, Eta, Sigma. IHC stands for the same thing, but is Roman.
Broken branches - Life cut short.
Tree stumps - Life cut short.