CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 

 GARDEN— No. li:^ 



SOME NOTES ON THE CHEMICAL 



COMPOSITION AND TOXICITY 



OF IBERVILLEA SONOR^ 



By JULIA T. EMERSON and WILLIAM H. WELKER 



NEW YORK 

 1908 



[Reprinted, without change of paging, from the Journal of Biological Chemistet, 



S: 339-350, December, 1908.] 



