Page:A memoir of Lewis David von Schweinitz.djvu/47

38 9. Description of a number of new American species of Spheriæ.
 * Read [before the Acad. of Nat. Sciences of Philad.] Feb. 15, 1825.

10. Synopsis Fungorum in America Boreali media degentiura.
 * Communicated [to the Amer. Phil. Soc. of Philad.] April 15, 1831.