http://www.holysepulchre.org/wordpress/full-rules-regulations/
Prohibited Decorations
Due to legal and safety concerns, some decorations are not allowed on cemetery grounds. Please be respectful of the following listing of prohibited decorations, to ensure the safety of our staff and visitors, and the perpetual beauty of our grounds.
Artificial flowers
Ceramic or glass objects
Shepherds hooks
Crosses
Temporary grave markers or plaques
Statues
Toys or novelties
Fraternal or military emblems
(Photoshop and text courtesy of FReeper poconopundit).