PREFA CE. xi. 



btcroklyn. I have the memory of many delightful 

 excursions about the shores of New York Bay in. 

 company with him, who knows so well when and 

 where all the finer and rarer plants are to be had. 

 I am permitted to quote him all too seldom in these 

 pages because the light has been shut out — let 

 us hope only temporarily — from those eyes which 

 were ever so keen to detect, and so appreciative in 

 recognition of, the rare beauties of these humble, 

 but exquisite forms. 



If this book shall be of any sei-vice to any in 

 opening the way to a knowledge of this department 

 of Botany, or shall contribute anything to the pleasures 

 of summer life by the Sea-side, no small part of the 

 merit must be accorded to our enterprising publisher, 

 Mr. S. E. Cassino, at whose urgent solicitation the 

 work was undertaken, and who has spared no pains 

 or expense to make it as valuable and acceptable 

 as possible. 



The plates for this volume are engraved from 

 photographs of specimens in my herbarium. In out- 

 line and color, therefore, they represent real plants. 



It is with no small degree of soHcitude that I send 



