CHAPTER XIX. 



CONCLUSION. 



|N conclusion, the writer has but a word to 

 say. There is a large class of persons 

 who are so fortunate (or unfortunate, ac- 

 cording as they use or abuse the .privilege) as to 

 have nothing to do ; or, to speak more exactly, 

 have to do only what they choose. This class 

 must have a hobby, or they will rust out. Another 

 class are engrossed by incessant professional 

 work which leaves them every day cross and 

 tired. These should have some outside hobby, 

 or they will become one-sided and crabbed, and 

 wear out. 



Dr. Jacob Bigelow of Boston, being a hard and 

 earnest worker in his profession, determined, for 

 his own good, to select some sensible form of 

 recreation ; and chose the study of botany, as 

 necessitating long walks and refreshing thoughts. 

 The result was the publication, in 1814, of his 

 " Florula Bostoniensis," which, enlarged and im- 

 176 



