44 SEA MOSSES. 



weed/ was published in January, 1852; the second 

 part on the red sea weed, about a year later; and 

 the third on the green Algae, not till 1857, after 

 Dr. Harvey's return from Australia. They are in 

 quarto form, contain 50 colored plates, and can be 

 bought for about $25. 



Since those days a nev/ generation has come up. 

 But in the meanwhile, for a space of twenty years, 

 scarcely anything was published on American Algae. 

 At the present time there are a few enthusiastic col- 

 lectors, and a still smaller number of devoted students 

 of Marine Algae scattered up and down our exten- 

 sive seaboard. The names of several of them will be 

 found making frequent appearance in these pages. 

 Only two of our more distinguished living botanists 

 have given special attention to this subject : Dr. Wm. 

 G. Farlow, of Harvard University ; and Prof. Daniel C. 

 Eaton, of Yale College ; the former of whom brings 

 to his work the advantage of several years' critical 

 study of these plants under some of the most cele- 

 brated Agologists of Europe — the lamented Thuret, 

 and the learned Agardh, and others. Dr. Farlow's 

 pubHcations consist of several annotated lists of Algae, 

 including new species, issued in the proceedings of the 

 Academy of Arts and Sciences, and in the reports of 

 the U. S. Fish Commissioners. A much more elaborate 



