PROGENITOR (Paul Cook, R. 1951). Sdlg. 1346. IB, 15", E. Y4. Light yellow and light violet bicolor. Yellow reichenbachii X Shining Waters.

Slide courtesy of Dave Schreiner. Slide dated May 1959 and annotated by Bob Schreiner. The setting and background are the usual for the Schreiner's catalog of that era. Although widely distributed, I do not have a catalog listing for PROGENITOR.