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APPENDIX.
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.
