http://www.biodiversitylibrary.org/item/215354#page/3/mode/1up Supplement
http://www.biodiversitylibrary.org/item/215198#page/3/mode/1up New Iris
Iris Notes
1921 listing
For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris.org/
-- BobPries - 2016-12-17