There are a few different types of Mistletoe listed in the database: http://garden.org/plants/searc... but I'm only familiar with the American Mistletoe that I linked to in my earlier post. June may be correct that whichever variety you have may not be compatible or adaptable to the Cherry tree.
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!