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POPULAR SCIENCE MONTHLY 



very considerable amount of valuable material. About this time the 

 Long expedition was being organized, and Baldwin was recommended 

 to act as botanist for the party. His health was delicate and the ap- 

 pointment was accepted in the hopes that it would be improved by the 

 journey. 



Baldwin joined the other members of the scientific staff at Pittsburg 

 and embarked upon the steamer which was to take the expedition to 

 Council Bluffs. This being the early days of steamboating, the one 

 used by the expedition gave more than ordinary trouble and caused 



Fig. 2. Dr. William Baldwin; from Darlington's "Reliquiae Baldwinianse.' 



vexatious delays. According to the letters of Baldwin it also leaked 

 continually, and this made the interior damp and totally unsuited for 

 such a prolonged voyage. Baldwin's health constantly grew worse, and 

 even while descending the Ohio River the party halted to allow him to 

 recover from an attack of illness, and he was forced to depend upon the 

 others to bring specimens to him on the boat, as he had not sufficient 

 strength to walk any considerable distance. St. Louis was finally 

 reached on June 9 and a stop of several days was made. The voyage 



