Photomicrographs of the longitudinal sections through Royal-apricot fruit buds collected from 
university farm orchard, showing stages of development throughout the season of 1922-1923. (X 
approximately 25 unless otherwise stated) 
A, December 1, 1922; B, January 1, 1923; C, February 6 (cross-section through anther, showing 
pollen mother-cell stage); D, February 21 (ovule development in a cross-section of the ovary); E, Feb¬ 
ruary 25 (longitudinal section through leaf bud, X approximately 30); F, February 26 (longitudinal 
section through ovary, showing further development of the ovule) 
