BOTANY AT ST. LOUIS 



53 



Fig. 5. Thomas Nuttall ; from The Populak Science Monthly, Vol. 46, 1895. 



in the spring of 1811 the two made the journey up the river to the 

 Mandan villages, as previously described in this paper. Both natural- 

 ists were more than once in extreme danger, but Nuttall brought back 

 with him many treasures of seeds, plants and other objects of interest. 

 The next eight A^ears he remained at Philadelphia, studying in the 

 winter the collections which he made during his summer excursions to 

 various parts of the country east of the Mississippi, from the Great 

 Lakes to Florida. At about this time he was preparing the manuscript 



