Reprinted from the Botanical Gazette 46: 259-276, October 1908 



EFFECT OF ILLUMINATING GAS AND 



ETHYLENE UPON FLOWERING 



CARNATIONS 



CONTRIBUTIONS FROM THE HULL BOTANICAL LABORATORY Il6 



(with four figures) 



WILLIAM CROCKER and LEE I. KNIGHT 



I'RINTED AT THE UNIVERSITY OF CHICAGO PRESS 



