478 MINNESOTA BOTANICAL STUDIES. 



Beticularia contorta FoiH. Encj'. 6:182. 1806. 

 Dklerma depressum Fries. Syst Myc. 3:108. 1829. 

 Didymium michelii Lin. Exs. 2:180. 18.32. 

 Didyniium hemisphericum Berk. Engl. Fl. 5:312. 1826. 

 Chondrioderma viichelii RosT. in Fuckel Symb. Myc. Nachtr. 2:74, 

 1873. 



Vermilion lake, Minn. (U. W. D. Hohvay, July, 1886). 



Didymiumdiffomu DvEY. Bot. Gail. 8:858. 1830. 

 Didernuineesii CORDA. Ic. !4:f. 58. 1838. 

 Leocai'vus cyanescens Fries. Summ. Veg. Scand. 450. 1849. 

 Leocarpus niteiis Fries. Sunim. Veg. Scaod. 450. 1849. 

 Diderma libeHlanum Fries. Beit, t. 4, f. 16-27. 1850. 

 Didumium Uberiianum DeBab^. Mycetozoa. 18(34. 



Dirteriiia pezizoideuni (Berk.) 



Trichamiphora pezlzoides Berk. Intr. Cr. Bot. 335. 1857. 

 Chondrioderma herhelcyanum Rost. Mon. Append. 16, 1875. 



I>i(lernia pliysaroides (D. 0.) 



Spumariaphysaroides T>. C. Fl.Fr. 6:101. 1815. 

 Chondrioderma physaroideft Rost. Mon. 170. 1875. 

 Diderma deplanatum Fries. Syst. Myc. 3:110. 18?9. 

 Chondrioderma deplaruitum Host. Mon. Append. 17. 1875. 



Uiderina oriistaceiiiu Peck. Rep. N. Y. State Mus. Nat. Hist. 20:74. 1874. 

 Chondrioderma cruMaceum Berl. in Sacr. Syll. Fung. 7:1^95. 1888. 



I>i<leriiia liceoides Peks. Syst. Myc. 3:107. 1829. 



Z/iccfl macrosperma ScHWEiNiTZ. Am. Fung. n. 3317. 1834. 

 Liaunota niura Fries. Summ. Veg. Scand. 459. 1849. 

 Chondrioderma liceoides Rost. Mon. Append. 17. 1875. 



I>idernia reticiilatuin iRosT.) 



Chondrioderma reticulatum Rost. Mon. 170. 1875. 



Diderma ocliraoeiiiu (Schroet.) 



Chondrioderma ochraceum Schroet. Krypt. Fl. Schles. 3:124. 1889. 



]>idernia sauteri (Rost.) 



Chondrioderma fiauteri Host . Mon. 181. 1875. 



Diderma vacciiium Bur. & Mgnt. Fl. Alg. 407. 1847-9. 

 Cftondrioderma vaccinnmJluST. Mon. 180. 1875. 



Diderma simplex (Schroet.) 



Chondrioderma simple.r ScnuOET. Krypt. Fl. Schles. 3:123. 1889. 



Diderma calcareum (Link) 



Leocarpus calcareusljiJiK. Diss. Bot. 1:23. 1809. 



Diderma liceoides Fries. Syst. Myc. 3:107. 1829. 



Diderma chalybeum Weinm. Prod. Fl. Ross. .592. 1836. 



Diderma devlanatumFvCKEL,. Symb. Myc. 341. 1870. 



Chondrioderma calcareum Host . in Fuckel Symb. Myc. Nachtr. 2, 74. 1873. 



Diderma stalilii (Rost.) 



Chondrioderma siah Hi Ro!AT. Mon. 185. 1875. 



Didei-ma muelleri (Rost.) 



Chondrioderma mutUcri Host . Mon. Append. 15. 1875. 



Diderma ramosum TSchcm.) Fries. Syst. Myc. 3:105. 1629. 

 Spumariaramosa SvHVM. Saell. 8:95. 1803. 

 Leocarpus ramosus Fries. Summ. Veg. Scand. 4.50. 1849. 



Diderma stipitatum ( BciL.) Fries. Syst. Myc. 3:104. 1829. 

 Reticuiaria stipitata Bull. Hist. Champ. Fr. 89. 1791. 

 Diderma rmnosum Pers. Syn. Fuug. 166. 1808. 



