contributions from the new york botanical 



garden—No. 45 



STUDIES IN PLANT HYBRIDS: 

 THE SPERMATOGENESIS OF HYBRID PEAS 



By WILLIAM AUSTIN CANNON 



NEW YORK 

 1903 



[Reprinted from the Bulletin of the Torrey Botanical Club, 30 : 519-543, pi. 17-19. 



October, 1903] 



