about 1910, De Graaff
'Dirk Dalens' (De Graaff Bros. about 1910) Subgenus Xiphium; Dutch Iris; Color code B3M;
See below:
De Graaff 1910?' 1929; 1938; A.T.S. Bulletin 65 :27 May 1937 illustrated; |
Scheepers 1936 catalog notes "DIRK DALENS: Very attractive flower with large pale blue standards and darker blue falls with a very narrow orange stripe through center. $1.15 for 10; $9 per 100. |
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-- Main.RPries - 2011-03-07