480 MINNESOTA BOTANICAL STUDIES. 



TILMADOCHE Fries. Summ. Veg. Scand. 454. 1849. 



38. Tilm.adoehe alba (Bull.) 



Sphaerocarinis aUms Bull. Hist. Champ. Fr. t. 407, f . 3, c-g. 1791. 



Stemonitis alba Gmelin. in Linn. Syst. Nat. Ed. xiii. 1469. 1791. 



J^ucoT albus SOBOLEN. Petr. 324. 1779. 



Physarimi nutans Fers. Syn. 171. 1801. 



T)-ichia cernua SCHVM. Saell. 1432. 1803. 



Physarum hulbiforme Schum. Sa^U. 1432. 1803. 



Phyaurum marginatum SCHU3r. Saell. 1440. 1803. 



Pliysannn didymium ScavM. Saell. 1441. 1803. 



Physarum albopunctatum ScHUM. Saell. 1433. 1803. 



Trichia alba D. C Fl. Fr. 2:202. 1805. 



Physarum nlbipes Link. Diss. Bot. 1 :27. 1809. 



Physanan sulcatum Link. Diss. Bot. 1:27. 1809. 



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



Tilmadoche cernua Fries. Summ. Veg. Scand. 454. 1849. 



Tilmadoche nutans Rost. Mon. 127. 1875. 



On decaying logs of Quercus at Prospect Park, Minneapolis, 

 Minn. (E. P. S., June, 1890); Vermilion lake, Minn. {E. W. D. 

 Holway, July, 1886). 



PHYSARUM Pers. Disp. Meth. Fung. 8. 1797. 



39. Physarum ciuereiim (Batsch.) Pers. Syn. Fung. 1170. 



1801. 

 Lycoperdun cinereum Batsch. Elench. Fung. f. 169. 1783. 

 Lycoperdon aim Pjkk. in Yet. Handl. 39. 1789. 

 Physarum riolaceum Schum. Saell. 1428. 1803. 

 Physarum conglobatum Fries. Symb. Gast. 21. 1818. 

 Didymium cinereum Fries. Syst. Myc. 3:126. 1829. 

 Physarum plumbeum Fries. Syst. Myc. 3:142. 1829. 



On fallen limbs of Quercus velutina Lam. in the woods near 

 Waseca, Waseca county, Minn. {E. P. S., June, 1891). 



40. Physarum fllameutosum (Trent. ) 



Trichia filamentosa Trent, in Roth. Cat. Bot. 227. 1797. 

 Physarum confluens hiNii. Diss. Bot. 2:42. 1809. 

 Physarum connexum I^mK . Diss. Bot. 2:42. 1809. 

 Physarum hypnorum LmK . Diss. Bot. 2:42. 1809. 

 Physarum lettcophaeum Fries . Symb. Gast. 24. 1818. 

 Physarura striatum Fuckel. Symb. Myc. 342. 1869. 

 Didymium hemisphericum Fuckel. Symb. Myc. 341. 1869. 



On standing stubs of hard maple near Osceola, Wisconsin {E. 

 P. S., Sept., 1892); on old fallen logs near Minnehaha Falls, 

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



