THE 



POPULAR SCIENCE 



]\rONTHLY. 



JANUARY, 1911 



THE SMALLEST OF THE CENTUEY PLANTS * 



Bt Pbofkssok WILLIAM TRELEASE 



MISSOUBI BOTANICAL QABDBN 



QjELECTIOX of these particular plants from the very large number 

 O 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, 



Fio. 1. About ths Meditebbaneak. 



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

 17, 1910. 



