Book  Page(s) 186.  
 
Albiflora x Wittmanniana
...4931-6 6 741 x Wittmanniana
E. Cahn 4931 1931 May 29 Pollen v. few - o - v.few 5-7%
1932 June 1 Small deformed white single
1933 May 22 Much green in it & crinkled Amusing & not unpromising
1938 Divided in 8.5 row 2