North Dakota Fungi 



277 



Peronospora Potentillae DeBary. 



On Potentilla pentandra. Kulm, July, 191 1. 



Peronospora pygmaea Ung. 



On Anemone canadensis. Kulm, July, 191 1. 

 (Fungi Dak. 214.) 



Peronospora Trifoliorum DeBary. 



On Astragalus caroliniana. Kulm, July, 191 5 5 Bismarck, Seymour. 

 (Fungi Dak. 337.) 



Peronospora Viciae (Berk.) DeBary. 



On Vicia linearis. Kulm, June, 1909. 

 (Fungi Dak. 124.) 



Physoderma Eleocharidis (Fuckel.) Schroet. 

 On Eleocharis palustris. Kulm, Oct., 1910. 

 (Fungi Dak. 39.) 



Pilobolus crystallinus (Wigg.) Tode. 



On horse manure. Kulm, July, 191 6. 

 (Fungi Dak. 394.) 



Plasmopara Halstedii Farl. 



On Ambrosia psilostachya. Kulm, June, 191 2. 



On Helianthus annxius, H. Maximiliani and H. subrhomboides. Kulm, 

 Sept., 19 12. 



On Rudbeckia hirta. Kulm and Bismarck, 1884, Seymour. 

 (Fungi Dak. 199, 199a, 238.) 



Synchytrium decipiens Farl. 



On Falcata comosa. Bismarck, Seymour and Stevens. 

 (Fungi Dak. 349.) 



Sclerospora graminicola (Sacc.) Schroet. 



On Chaetochloa viridis. Kulm, August, 1909. 

 (Fungi Dak. 86.) 



II. ASCOMYCETES 



Amphisphaeria decolorans Rehm. 



On dead bark of Salix. Kulm, November, 19 13. 



On dead bark of Cornus stolonifera. Whitestone Gully, 19 16. 



Anthostoma picaceum (Cooke & Ellis) Ellis & Everh. 



On twigs of Fraxinus lanceolata. Wirch Lake, May, 19 14. 

 The spores have a nucleus at each end, are somewhat curved but other- 

 wise as described in Ellis & Everh. 



Ascophanus carneus (Pers.) Boud. 



On horse manure. Kulm, July, 1915. 

 On cow manure. Sykeston, Seaver. 



Ascophanus cinereus (Crouan) Boud. 



On horse dung. Woods near Fargo, Seaver. 



Ascophanus crustaceus Starb. 



On horse manure. Kulm, July, 19 15. 



