VOLUME 17, NUMBER 2 WHOLE NUMBER 89 



MAY, 1911 



AMERICAN 

 BOTANIST 



Devoted to Economic and Ecological Botany 



CONTENTS 



THE SOAP WEED 33 



BY EARL LYND JOHNSTON 



BY THE RIVER'S BRIM - - ... 36 



BY FRANK DOBBIN 



DAISIES 38 



BY DR. W. W. BAILEY 



PROLIFERATION IN A PEACH BLOSSOM - 40 



BY A. E. SHIRLING 



POLLEN GRAINS 41 



THE SPRING FLOWERING WITCH HAZEL 44 



NOTE AND COMMENT 46 



SCHOOL BOTANY 56 



EDITORIAL 58 



BOOKS AND WRITERS 60 



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