

J 



Annals 



of the 



Missouri Botanical 



Garden 



Volume X 

 1 923 



With Twenty-one Plates and Fifty-seven 



Figures. 



Published quarterly by the Board of Trustees of the 

 Missouri Botanical Garden, St. Louis, Mo. 



Entered as second-class matter at the Post Office at Lancaster, Pennsylvania, 



under the act of March 3, 1879. 



54 



