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THE CORRESPONDENCE OF SCHWEINITZ AND TORREY 287 
. Philadelphia academy of natural sciences. Journal. Established 
in 1817. 
. Pursh, Frederick Traugott. 
Flora Americae Septentrionalis. London. 1814. 
. Quarterly journal of science, literature, and art. Edited at the 
Royal institution of Great Britain, by W. T. Brande. 
. Rafinesque, Constantine Samuel. 
Atlantic journal and friend of knowledge. Philadelphia. 
2-33 
183 : 
. Richardson, John. 
Botanical appendix. In Franklin, Sir John. Narrative of a 
journey to the shores of the polar sea in the years 1819, 20, 
21, and 22. p. 729-763. London. 182 
. Rudge, Edward. 
Descriptions of some new species of Carcx from North America. 
Trans. Linn. Soc. London 7: 96-100. pl. g-10. 1804. 
. Schwagrichen, Christian Friedrich. 
Joannis Hedwig Species muscorum frondosorum. Supplemen- 
tum. 1811-42. 
. Schweinitz, Lewis David von. 
An analytical table to facilitate the determination of the hitherto 
observed North American species of the genus Carex. Ann. 
Lyceum Nat. Hist. N- ¥Y.1: 62-71. 1824. 
Attempt of a monography of the Linnean genus Viola, com- 
prising all the species hitherto observed in North America. 
Am. Jour. Sci. 5: 48-81. 1822. 
A catalogue of plants collected in the Northwest territory by Mr. 
Thomas Say in the year 1823. In Keating, William H. 
Narrative of an expedition to the source of St. Peter’s River 
2: 379-400. Philadelphia. 1824. 
List of the rarer plants found near Easton, Penn. Am. Jour. 
Sci. 8: 267-269. 1824. 
Monograph of the North American species of Carex. Ann. 
Lyceum Nat. Hist. N. Y. 1: 283-373. pl. 24-27. 1825. 
On two remarkable Hepatic mosses found in North Carolina. 
Jour. Acad. Nat. Sci. Phila. 2: 361-370. 1822. 
