500 MINNESOTA BOTANICAL STUDIES. 



New Hampshire (Farlow), Massachusetts (Frost), New York 

 (Peck), New Jersey (Ellis), North Carolina (Schiveinitz), 

 California (Harkness). 



la. Yibrissea truncorum albipes Pk. Reg. Rep. 44:37. 

 1891. 

 New York (Peck). 



EXCLUDED SPECIES. 



Vibrissea lutea Pk. Reg. Rep. 25: 97. 1873.— Cudonia lutea. 

 Vibrissea turbinata Phillips. Trans. Linn. Soc. 2:10. 1881. — 

 Gorgoniceps turbinata. 



RHIZINACE^:. 



I. RHIZINA Fries. Obs. Mycol. 1:161. 1815. 



1. Rhizina inflata (Schaeff.) Karst. Rev. Mon. 112.. 



1885. 

 Elvela inflata Schaeff. Fung. Bav. et Palat. Icon. pi. 153. 1774. 

 Rhizina undulata Fr. Obs. Mycol. 1: 161. 1815. 

 Helvetia acaulis Pers. Syn. fung. 614. 1801. 



Connecticut (Thaxter) New York (Peck), Rhode Island (Ben- 

 nett), Pennsylvania (Schiveinitz), Wisconsin (Biindy) North Caro- 

 lina (Curtis), South Carolina (Curtis). 



2. Rhizina spongiosa B. & C. Jour. Linn. Soc. 10:364. 



1869. 

 Cuba (Wright). 



II. PSILOPEZIA Berk. Lond. Jour. Bot. 6:325. 1847. 



1. Psilopezia flavida B. & C. Grev. 4:1. 1875. 

 Alabama (Peters). 



2. Psilopezia mirabilis B. & C. Jour. Linn. Soc. 10:364. 



1869. 

 Cuba (Wright). 



3. Psilopezia nummularis Berk. Lond. Jour. Bot. 6:325. 



1847. 

 New York (Peck, Ellis, Underwood), Pennsylvania (Michener) r 

 Ohio (Lea), Indiana (Underivood), North Carolina (Curtis), South 

 Carolina (Curtis). 



III. UNDERW00DIA Peck. Reg. Rep. 43:32. 1890. 



1. Underwoodia columnaris Peck. Reg. Rep. 43:32. pi. U 

 f. 1-4. 1890. 

 New York (Fischer, Underivood). 



Auburn. Alabama, 1 February, 189H. 



