2o6 SOME AMERICAN MEDICAL BOTANISTS 



Hospital in Washington, but was transferred 

 thence to Judiciary Square Hospital, the site of 

 the present Pension Building, where my friend. 

 Prof. B. G. Wilder, operated and removed the 

 ball. We had been fellow-students in Harvard, 

 and before enlisting I had asked him to remove 

 the ball if I were wounded in the leg. He 

 assented, though neither of us supposed it would 

 so happen. In July, 1863, 1 was promoted to the 

 captaincy of Company E, 20th Regiment, Penn- 

 sylvania Volunteer Cavalry, and was assigned 

 to duty in West Virginia, where my chief work 

 was to break up the system of bushwhacking 

 which was then rife in that region. I was mus- 

 tered out at the expiration of my six months of 

 service as captain, and then returned to Harvard 

 to complete my course of study. A little episode 

 interfered with my intention; the venerable pro- 

 fessors of Harvard University, to show their 

 loyalty, had formed themselves into a military 

 company. Probably no one expected that they 

 would be called out; but they were asked to gar- 

 rison the antiquated fort at Long Point, near 

 Provincetown, on Cape Cod. Professor Gray 

 was a member of the company and determined 

 to go with it. I insisted that he was too old, and 

 at any rate Harvard could spare me better than 

 it could him, so after much persuasion I suc- 

 ceeded in overcoming his reluctance. So for 



