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http://www.goldenacorn.net/garden/flowers/specific.shtml
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Thomas Mudd garden/pool by Thomas Church photo ©: http://inside.bard.edu/academic/courses/bgc/bgc700-2/church
http://www.users.dircon.co.uk/~nfarley/thomas-etty/flowers/flowers_century_17.htm
Chicago Botanic Garden
A good resource for comparison of heirloom and current varieties is the Ohio State web site. Heirloom seeds are available from Seed Savers Exchange, in Iowa, Monticello, and Mount Vernon, among many others.