Smithsonian Report, 1920— Wherry. 



Plate 2 



I. Shortia Galacifolia Growing in Neutral Soil in Garden of the 

 Writer. Washington, D. C. 



2. The Same Plant as Figure I, after Growing for One Year in 

 Subacid Soil. The Five-Fold Increase in Size Shows Clearly the 

 Preference of this Plant for Acid Soils. 



