8o SOME AMERICAN MEDICAL BOTANISTS 



New River to Holston, Nolichucky, etc. Then, 

 crossing the high and great chain of mountains, 

 came upon the head waters of Santee in South 

 Carolina, thence by Ninety-six to Augusta and 

 to Savannah Town, and continuing southwest to 



the river Alatamaha in Georgia I then 



returned to Charleston, making a route of about 

 1600 miles, and thence by water to Philadel- 

 phia 



" Notwithstanding the great fatigue, the dan- 

 ger and the expense in travelling, I have in con- 

 templation a second and yet more extensive 

 route." 



The suggested exploration of the country west 

 of the Mississippi did not come ofif in Marshall's 

 time, though Thomas Jefiferson was active in 

 planning one and Dr. Caspar Wistar thought he 

 could raise a subscription guaranteeing " one 

 thousand guineas to any one who undertakes the 

 journey and can bring satisfactory proof of hav- 

 ing crossed the South Sea." 



Like Colden, Marshall entered into civic life, 

 and became Justice of the Peace in 1796. He still 

 did a little botanizing and shipped seeds to 

 Europe, but when Humphry Marshall died, 

 leaving a considerable part of his farm west of 

 the Brandjrwine to Moses, the latter seems to have 

 become a private country gentleman. He built a 

 house and mill on the farmstead; and the village 



