Does anybody remember the old-fashioned "money trees"?

Does anybody know the plant name for the trees that use to be called Money Trees? These are not the current Feng Shui Bonsai-type trees. The old Money Trees had circular leaves that would dry to an almost transparent white, thus looking like a...

coin. Thanks!

They are called Lucky Bamboos.

okk, I just went on line and found this :

Money tree
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Money tree may refer to:

* Pachira aquatica, commercially sold under the name money tree. It is also known as Malabar chestnut, Guiana chestnut, provision tree, or saba nut.
* Crassula ovata, also referred to as money tree. It is also known as jade plant or friendship tree.
* A money tree, a raffle prize given in Australia
* The money tree, an imaginary tree referenced in the saying money doesn't grow on trees! The origin of this saying may be the story Pinocchio. It may appear in works of fiction as a tree whose leaves resemble banknotes and whose fruits resemble coins. The use of the tree's leaves and fruits as forms of payment in fiction usually brings eventual trouble, such as the leaves drying up, and the characters end up learning the lesson that money must be earned with the sweat of the brow.

It may also refer to when cocoa beans grew on trees and were used as a currency.

Its called Silver Dollar
http://www.craftygardener.ca/infolunaria.html