D 



2SS0UM ©0TAM1CAL 



D 



©ULLETI 



Vol. IX 



OCTOBER, 1921 



No. 8 



CONTENTS 



Page 



Test Garden, 1921 103 



Helianthus angustifolius 109 



New Hybrid Spiraea 110 



Hardy Exotic Plants Suitable for the Gardens of 



Missouri and Adjoining States 110 



Notes 116 



Statistical Information 117 



ST. LOUIS, MO. 

 1921 



Published Monthly Except July and August by the Board of Trustee* 



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 ONE DOLLAR PER YEAR SINGLE COPIES TEN CENTS 



