Sheldon: a study of some Minnesota mycetozoa. 465 



On old logs among mosses, lichens, etc., near Center City, 

 Chisago county, Minn. {B. G. Taylor, July, 1892); St. Louis 

 river, Minn. {E, W. D. Holway, July, 1886). 



2. Tul)ifera stipitata (Berk. & Rav.) 



Licea stipitata Berk. & Rav. Journ. Linn. Soc. 10:350. 1869. 

 TuhuUna stipitata 'Ro&T. Mon. 223. 1875. 



A rase slime-mould on old decaying stumps in woods near 

 lake Ballantyne, Blue Earth county, Minn. {E. P. S., June, 

 1891). 5 



CLATHROPTICHITM Rost. Mon. 225. 1875. 



3. Clathroptychium plnmbeum (Fries). 



Beticularia plumbea Fries, Syst. Myc. 3:88. 1829. 



Licea rugulosa Wallk. F1. Germ. 2107. 1833. 



Licea applanata Bekk. in Hook. Lond. Journ. Bot. 1845. 



Lycogala knticulare D. R. & M. F\. Alg. 401. 1846. 



Dicti/dkiethalium applanatum Rost. in Fckl. Symb. 2:69. 1874. 



Clatkroptychium ruQulosum Host . Mon. 225. 1875. 



Vermilion Lake, Minn. (E. W. D. Holway, July, 1886). 



DICTYDIUM SCHRAD. Nov. Gen. 1:11. 1797. 



4. Dictydium cancellatum (Gmelin). 



Stemonitis cancellata J. G. Gmelin in Linn. Syst. Nat. Ed. xiii. 



1468. 1791. 

 Cribraria cernua Fers. Obs. Myc. 1:91. 1796. 



(5) The noruenolature of the remaining species might be indicated as follows: 

 Tubifera ^peciosa (Speg.) 



TubidiTm speciosa Speg. Nov. Add. Myc. Ven. n. 12"1 1875. 



Tnbiflera minima (Fries). 



Licea minima Fries. Syst. Myc. 3:199. 1822. 

 TubuUna minima M.ASS. Mon. Myxog. 36. 1892. 



Tubifera flexnosa (Pers.) 



Licea flexuosa Rers. Syn. Fung. 197. 1801. 

 Tubulina JlexuosaF om. Ency. Metb. 8:n.8. 1808. 



Tubifera spermoides (B. /t C.) 



Licea spermoides B. & O. Grev. )4:68. 1873. 

 Tulndina spermoides Mass. Mon. Myxog. 37. 1892. 



Tubifera gauranitiea (Speg.) 



Licea gauranitica Speg. F1. Gauran. Pug. 1. n. 322. 1886. 

 TubuUna gauranitica Rodmeg. Fung. Selec. Exsicc. n, 5196. 1887. 



Tubifera t^pumaroidea (Cke. & Mass.) 



Licea spu)na7-<)idea Cke. & Mass. Grev. 1C:74. 1888. 



Tubidina spumaroidea Cke. & Mass. in Mass. Mon. Myxog. 42. 1892. 



Tubifera brunnea (Preuss). 



i.icea brunnea Preuss in Linnaea. 586:709. 1853. 

 TubuUna brunnea Mass. Mon. Myxog. 42. 1892. 



Tubifera lindheimeri (Berk.) 



Licea Undheimeri Bkrk. Grev. 58:65. 1873. 

 TubuUna lindheimeri Mass. Mon. ^Myxog. 42. 1892. 



