Sheldon: A study of some Minnesota mycetozoa. 475 



DIACHAEA Fries. Syst. Veg. Orb. 1:148. 1825. 



31. Diachaea leucopoda (Bull.) Rost. Mon. 190 1875. 



Trichia leucopoda Bull. Hist. Champ. Fr. t. 502, f. 2. 1791. 

 Sternonilis elegans TiiEifT. in Rotli. Cat. Bot. 220. 1797. 

 Stemonitis leucostyla Pers. Syn. Fung. 186. 1801. 

 Diachaea elegans Fries. Stirp. Femsj. 84. 1825. 



On decaying leaves, sticks and stems under trees of Quercus 

 and bushes of Corylus at Prospect Park, Minneapolis, Minn. 

 (E. P. S., June, 1890); near Duluth, Minn. {E. W. D. Hohvay, 

 July, 1886). 



MUCILAGO Batt. Fung. Arim. Hist.. 1755.io 



Spuniaria Pers. in Gmelin in Linn. Syst. Nat. Ed. xiii. 2466. 

 1791. 



32. Mucilago alba (Batt. ) 



Mucilago Crustacea var. alba. Batt. Fung. Arim. Hist. t. 40, f. 9. 



1755. 

 Byssusbombycina Retz. V. HaocU. 251. 1769. 

 Beticularia alba Bull. Hist. Champ. Fr. t. 326. 1791. 

 Spumaria mucilago Peks. Disp. Meth. Fung. t. 1, f. a b c. 1797. 

 Didymium spumarioides Fries. Syst. Myc. 3: 95. 1829. 

 Diderma spumariaeforme Wallu. F1. Germ. 2208. 1833. 

 Spumaria alba DC. Fl. Fr. 2:261. 1805. 



On stems of Cornus near Janesville, Waseca county, Minn. 

 {B. G. Taylor, June, 1891); near Minneapolis, Minn. {E. P. S., 

 May, 1891). 



DIDYMIUM ScHRAD. Nov. Gen. 20. 1797. 



33. Didymium sphaerocephalum (Batsch.) 



Mucor sphaeroceplialns Batsch. Blench. Fung. 157. 1783. 



Trichia globosa Vill. Fl. Dauph. 1061. 1789. 



Beticularia hemiapherica Bull. Hist. Champ. Fr. t. 446, f. 1. 1791 



Physarum melanospermum Pers Disp Meth. Fung. 8. 1797. 



Didymium farinaceum Schrad. Nov. Gen. Pl. t. 3, f. 6. 1797. 



Tiichia farinacea Voir. Ency. Meth. 8:53. 1804. 



Physarum farinaceum Pers. Syn. Fung. 174. 1801. 



Physarum cinerascens Schum. Saell. 1426. 1803. 



Physarum depressum Schum. Saell. 1439. 1803. 



Physarum globosum Schum. Saell. 1442. 1803. 



Physarum oxyacanthue Schum. Saell. 1427. 1803. 



Physarum clavus Liinii. Diss. Bot. 1: 27. 1809. 



Physarmn si)iuosum Link. Diss. Bot. 1 : 27. 1809. 



(10) The senus Mucilago was fir,st used by Miclieli. Gen. 217. 1729. Later writers 

 adopted it as follows: Hall. En. Stirp. Holv. 1:5. 1742; Adanson Nat. PI. Fam. S6:7; 

 17t)3; Scop. Intr. i&d. 1777; Wi-g. Fl. llols. 112. 1780. 



