566 MINNESOTA BOTANICAL STUDIES. 



Sheldon 2054, on JQiicrcus; Hennepin, April 1891, Shel- 

 don 4178, on >itercus; Dakota, July 1893, Sheldon 5201, 

 on Qiiercus; Hennepin, May 1893, Sheldon 5426, on 



JQttcrctis; , Sheldon 6138; , Sheldon 6244; on 



Qiiercus; Wright, June 1900, Lyon542, on Rhns ; Chisago, 

 September 1900, Lyon & Butters, on Qiicrcus. 



10. Hypoxylon annulatum (Scuw.) MONTAGNE, Sylloge Cryp- 



togramarum, p. 213. 1856. 

 Cass, August 1893, Anderson 674, on wood. 



u. Hypoxylon marginatum BERKELEY, On a Collection of 

 Fungi from Cuba. Part II., Journ. Lin. Soc., X., p. 

 499. 1869. 

 Dakota, July 1893, Sheldon 5194 on bark. 



12. Hypoxylon rubiginosum (PERS.) FRIES, Summa Veg. 

 Scand., p. 384. 1849. 



On wood. 



St. Louis, July 1886, Holway 193 {Hypoxylon ferrugineum 



Fr. Holway & Ellis), Ramsey, July 1893, Sheldon 5484; 



Wright, May 1900, Freeman 630. 



13. Hypoxylon perforatum (ScHw.) FRIES, Summa Veg. 

 Scand., p. 384. 1849. 



, Sheldon 5904^ ; - , Sheldon 6133. 



14. Hypoxylon epiphaeum BERKELEY & CURTIS, Notices of 

 North American Fungi, Grevillea, IV., p. 52. 1875. 



Hypoxylon rubiginosum Ellis & Everhart, North American 

 Fungi, No. 1949, not H. rubiginosum (Pers.) Fries. 



Hypoxylon epiphlceum B. & C. 



On wood. 



Le Sueur, June 1891, Taylor 435; Brown, July 1891, 

 Sheldon 1027, on Tilia ; Ramsey, July 1893, Sheldon 

 5503, on Acer? (young form). 



15. Hypoxylon atropurpureum (FRIES) FRIES, Summa Veg. 



Scand., p. 384. 1849. 

 On wood. 

 Le Sueur, June 1891, Sheldon 94; Brown, July 1891, 



Sheldon 1027^, on Tilia; Ramsey, August 1893, 



Sheldon 5669; , Sheldon 5751, on ticrctis ; , 



Sheldon 6236. 



