I have some brown ones, are they worth anything??Blacksheep said:Found this, hope it helps.
(under "over-the-counter" )
http://www.virtualmuseum.ca/Exhibitions/Healingplants/medusers/noenergy.php
http://books.google.com/books?id=9H...&hl=en&sa=X&oi=book_result&resnum=3&ct=result