476 MINNESOTA BOTANICAL STUDIES. 



Physariim capitatum JjI-^k. Diss. Bot 1:27. 1809. 



Diderma muscicola Link. Diss. Bot. 1 :27. 1809. 



Didymium cupitatum Link. Diss. Bot. 3:21. 1816. 



Didymium lobatum Nees. Syst. 112, f. 104. 1816. 



Strongylium minor FniES. Gast. 9. 1817. 



Physarummelanopus Fries. Gast. 23. 1817. 



Cionium lobatum Spreng. in Linn. Syst. Nat. Ed. XVI, 4:629. 



1827. 

 Didymium marginatum Fkies. Syst. Myc. 3:116. 1829. 

 Didymium melanopus Fries. Syst Myc. 3:114. 1829. 

 Didymium hemisphericum Fries. Syst. Myc. 3:115. 1829. 

 Physarum nigrum Fries. Syst. Lye. 3:146. 1829. 

 Cionium farinaceumhiNii. Handb. 3:416. 1833. 

 Didymium filamentosum Wat,l,r. 2187. 1833. 



On decaying elm stumps near banks of river at Iberia, Brown 

 county, Minn. {E. P. S., July, 1891); on fallen logs of Quercus 

 near Minneapolis, Minn. (E. P. S., April, 1891). 



34. Didymium stipitatiim (Retz. ) 



Lycoperdon stipitatum Retz. Vet. de Handl. 1769. 

 Physarum nigripes LiiiK. Diss. Bot. 1:27. 1809. 

 2'richiaalbal^VRT. Midi. Fl. 3:1113. 1817. 

 Physarum microcarpon Fries. Symb. Gast. 23. 1818. 

 Didymium nigripes Fries. Syst Myc. 3:119. 1812. 

 Didyminm xanthopus Fries. Syst. Myc. 3:120. 1829. 

 Didymium iridis Fries. Syst. Myc. 3:120. 1829. 

 Didymium microcephalum Chev. Byss. f. 11. 1837. 

 Didymium melanopus Wallr. Fl. Germ. 2184. 1837. 

 Didymium wallrothii Rabh. Fl. Cr. 2289. 1844. 

 Didymium 2)orphyropus D.B,. &M.. Fl. Alg. 409. 1846. 

 Didymium megalosporum B. & C. in Grev. 2:53. 1873. 

 Didymium microcarpon RosT. Mon. 157. 1875. 



On old decaying beans in the plant house of the University 

 at Minneapolis, Minn. [E. P. S., April, 1891). 



DIDERMA Pers. in Usteri. n. Ann. 9:134. 1795. 

 Chondrioderma RosT. Mon. 167. 1875 in pt. 



35. Diderma sphaeroidalis (Bull. ) 



Beticularia sphaeroidalis Bull. Hist. Champ. Fr. 446, f. 2. 1791. 

 Diderma globosum Pers. Disp. Meth. Fung. t. 17, f. 4, 5. 1797. 

 Didyynium candidum ScHR AD. Nov. Gen. 25. 1797. 

 Didymium globosum Chev, Fl. Par. t. 9, f, 28. 1827. 

 Physarum sphaeroides Chev, FI. Par. 339. 1827. 

 Cionium globosum Spreng. in Linn. Syst. Nat. Ed. xvi, 4:529. 



1827. 

 Chondriodei'ma globosum Host. Mon. 180. 1875. 



