The Friends of the Public Garden is holding a softball game fundraiser recognizing the role of recreation in the Boston Common, beginning with the Essex Base Ball Organization demonstrating a 19th Century ball game.  You may play for $250, sponsor for $100, or come watch free.  The July 13 event, beginning at 5:30 pm, will take place on the Boston Common Ball Field, Charles and Boylston Streets.  For more information, log on to www.friendsofthepublicgarden.org.