UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



BOTANY 



Vol. 5, No. 15, pp. 439-450 December 28, 1918 



NOTE ON THE EFFECTS OF ILLUMINATING 

 GAS AND ITS CONSTITUENTS IN CAUS- 

 ING ABSCISSION OF FLOWERS IN 

 NICOTIANA AND CITRUS 



BY 



T. H. GOODSPEED, J. M. McGEE and R. W. HODGSON 



UNIVERSITY OP CALIFORNIA PRESS 

 BERKELEY 



