K 



ISSOUEI OOTANICAL 



EULLETEM 



Vol. IX 



FEBRUARY, 1921 



No. 2 



CONTENTS 



Page 



Trapa bicornis (Bull's Head) 19 



Hardy Exotic Plants Suitable for the Gardens of Mis- 

 souri and Adjoining States 20 



Notes 26 



Statistical Information 27 



ST. LOUIS, MO. 

 1921 



Published Monthly Except July and August by the Board of Trustees 



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