THE 



POPULAR SCIENCE 



MONTHLY. 



JANUARY, 1911 



THE SMALLEST OF THE CENTUEY PLANTS J 



By Professor WILLIAM TRELBASB 



MISSOURI BOTANICAL GARDEN 



SELECTION of these particular plants from the very large number 

 kJ that have occupied my attention for the last ten years is based on 

 a recognition of the fact that it is extremes — the largest and smallest, 



Fig. 1. About the Mediterranean. 



*A lecture before the Academy of Science of St. Louis, delivered October 

 17, 1910. 



