A Manual of Poisonous Plants 



Chiefly of Eastern North America, with Brief Notes 



on Economic and Medicinal Plants, 



and Numerous Illustrations 



By 



L. H. PAMMEL, Ph. D. 



Professor of Botany, Iowa State College 

 Agriculture and Mechanic Arts 



THE TORCH PRESS 

 CEDAR RAPIDS, IOWA 



1910 



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