INTRODUCTION. XV 



this Fauna were procured : by his unremitting industry and strenuous exertions a very 

 great proportion of the plants included in Dr. Hooker's Flora Boreali- Americana 

 were obtained ; and the Musci Americani *, published on the same plan with his 

 beautiful Musci Scotici, will be a lasting monument of his activity and penetration 

 as a cryptogamic botanist. After making very large collections of plants in various 

 parts of the United States, and in the province of Texas, he died in the Island of 

 Cuba, where he had landed on his way to the Florida Keys. 



* In two volumes quarto. 



