466 MINNESOTA BOTANICAL STUDIES. 



Tiidiia cernua PoiR. Ency. Meth. 8:n. 25. 1808. 

 Dictydium cernuum 'Sees, Syst. Pilze. f. 117. 181<). 

 Dictydium trichioides Chev. F1. Par. 327. 1827. 



On decaying logs of the wild black cherry (Prunus serotina 

 Ehrh.) in the woods at Woodhull's Grove, Dakota county, 

 Minn. (U. P. S., July, 1893); near Lakeville, Dakota county, 

 Minn. {E. P. S., July, 1893); Vermilion lake, Minn. (E. W. D. 

 Eoliuay, July, 1886.) 



CRIBRAKIA ScHRAD. in Linn. Syst. Nat. Ed. xiii. 1471. 

 1791. 



5. Crilbraria sphaerocarpa (Schr.) 



Stemonitis spliaerocarpa SCTiK. Bot. Mag. 12:20. 1790. 

 Stemonitis argillacea Pers. in Liun. Syst. Nat. Ed. xiii. 1490. 



1796. 

 Cribraria argillacea Vers. Obs. Myc. 1: 90. 1796. 



Vermilion lake, Minn. {E. W. D. Holioay, July, 1886). 



CLATHRODES Adans. Fam. PL 2:8. 1763.« 

 Arcyria Hill. Nat. Hist. 47. 1751. 



6. Clatlirodes denudatum (LiNN.)^ 



Clathrus denudatus Linn. Sp. Pl. 1179. 1753. 



Mucor clathroides Scop. Carr. 2:492. 1772. 



Mucov pyriformis Leers. Fl. Herb. 1135. 1775. 



Clathms peduncuhUus Batsch. Fl. 141. 1783. 



Lycoperdon rufum Dicks. Crypt. PI. Britt. fasc. 1, 25. 1785. 



Stemonitis denudata Rehl. Fl. Cant. 1786. 



Stemonitis crocata Willd. Fi, Ber. 1189. 1787. 



Stemonitis coccinea RoTK. Fl. Germ. 1: 548. 1788. 



Trichia denudata Vill. Fl. Dauph. 1060. 1789. 



(6) This was first used by Micheli. Nov. Gen. 214. 1729. 



(7) The nomenclature of the remaining species might be indicated as follows: 



ClatlirodeH ferrugineuiii (Sauter). 



Arcyria ferruQUiea Sauter in Flora. 34:316. 1841. 



Arcyria lateritia DeBary, Mycet. 24. 1859. 

 Arcyria intricata RosT. Mon. Sup-pl. 12. 1875. 



Clathrodes adnatiini (Batsch). 



Clathrus adnatus Batsch Elench. Fung. 141. 1783. 



Steinonitis trichia Roth. Fl. Germ. 1:549. 17S8. 



Stemonitis lilacina Scar. Fl. Bav. 2. 1784. 



Stemonitift incarnata Fers. in Gmelin. Linn. Syst. Nat. Ed. xiii. 1467. 1791. 



Arcyria incarnata Pers. Obs. Myc. t. 5, f. 4, 5. 1796. 



Clathrodefs irregulare (Racib,) 



Arcyria irregularis Racib. Myx. Krak. 15. 1885. 



Clathrode!!« umlirinuiu (Schum.) 



Arcyria umbrina Schum . Saeil . 1479 . 1803 . 



Clathrodes insigne (Kalchb. & Cke.) 



Arcyria insignis Kalchb. & Oke. in Grev. 10:143. 



1882. 



