38 
APPENDIX. 
9. Description of a number of new American species 
of Spheriae. 
Read [before the Acad, of Nat. Sciences of Philad.] 
Feb. 15, 1825. 
10. Synopsis Fungorum in America Boreali media 
degentium. 
Communicated [to the Amer. Phil. Soc. of Philad.] 
April 15, 1831. 
