IIO PIONEERS OF SCIENCE IN AMERICA. 



to Egypt as the botanist of his corps de savants, and was after- 

 ward superintendent of the Jardin des Plantes at Montpellier. 

 Among Dr. Hosack's regular pupils at the College of Physi- 

 cians and Surgeons was John Torrey, and many other students 

 who heard his lectures at the medical school or at Columbia 

 College had whatever of inclination toward botany they pos- 

 sessed greatly quickened by the enthusiasm and eloquence of 

 Dr. Hosack. 



