'Catherine I' (Theodore Breth, R. 1983) Sdlg. Z7O6CB. TB, 36" (91 cm). Midseason to late bloom. Standards peach pink with hint of green and brown at midrib; Falls red violet with lighter rim and brown markings at hafts; white to tangerine beard; slight sweet fragrance. 'Zaida' X 'Crinkled Beauty'. Breth Iris 1983.
 
http://wiki.irises.org/bin/view/TbAthruE/TbCatherineI
&! nbsp;
(TB) 'Catherine'
1934, Danenhauer

'Catherine' (H. L. Danenhauer, R. 1934) TB. Midseason late bloom. Color Class B9M. 'Souv. De Mme Gaudichau' X 'Conquistador'.
 
http://wiki.irises.org/bin/view/TbAthruE/TbCatherine
 
I hadn't heard of this second one yet, but it has well known parents, and being a nut for the early historics, now I'd like to see it.
 
Good luck,
David Ferguson
Rio Grande Botanic Garden
Albuquerque