APPENDIX. 
3 / 
tion of the eryptogamous plants of North America, com¬ 
prising a diognostic description of all the hepatic mosses 
hitherto observed in North America, with ampler de¬ 
scriptions of a number of new species. 
By Lewis D. de Schweinitz, P. D. 
Baleigh , N. C. 1821. 
4. Attempt of a monography of the Linnaean Genus 
Viola, comprising all the species hitherto observed in 
North America. By Lewis D. de Schweinitz. 
Communicated [to Prof. Silliman,] July, 1821. 
5. A Catalogue of Plants, collected in the North¬ 
western Territory, by Mr. Thomas Say, in the year 
1823. By Lewis D. de Schweinitz. 
Philada . 1824. 
6. Analytical table, to facilitate the determination of 
the hitherto observed North American species of the 
genus Carex. By Lewis D. de Schweinitz. 
Read [at the New York Lyceum of Nat. Hist.] Dec. 
8, 1823. 
7. List of the rarer plants found near Easton, Penn¬ 
sylvania. 
Communicated [to Prof. Silliman] through Mr. John 
Finch. 1824. 
8. A Monograph of the North American species of 
the genus Carex. 
By L ewis D, de Schweinitz and John Torrey. 
Read [before the New York Lyceum of Nat. Hist.] 
Dec. 13, 1824. Edited by Dr. Torrey. 
