ADDITIONS TO EEPOETBD FIX)RA 21 



* Erysibe polygoni DO. 



On Polijgonum uviculare (12238) and P. erectum 

 (12241), Falaata pitcheri (12242), Pisum sativum 

 (12240), Rumex salicifolius (12237), Lotm ameri- 

 caiiiis (12239), Lincoln; Solarium carolitiense, Cass 

 county (12078). 



SPHAEIUACEAE 



Calosphaeria barhirostris (Dufour) Ell. & Bv. 



On dead wood of Quercus, Weeping Water. (4701) 

 Eutypella stellulata (Fr.) Sacc. 



On dead twigs of Ulmus, Lincoln. (4709) 

 Leptosphaeria culmicola (Fr.) Karst. 



On Elymu^ canadensis, Kennedy. (12089) 

 Leptosphaeria doliolum (Pers.) Ell. & Ev. 



On Helianthus maximiliani. (12088) 

 Pleospora andropogonis Niessl. 



On Muhlenbergia racemosa, Kennedy. (12217) 

 Pleospora permunda Cooke. 



On Asclepias syriaca, Johnstown. (12090) 



HYPOCUEACEAB 



Nectria epichloe Speg. 



On Chrysopogon avenaceus, Long Pine. (12084)^ 

 Claviceps nigricans Tul. 



On Eleocharis glaucescens, Lincoln. (1264) 



DOTHIDIACEAE 



* Phyllachora graminis (Pers.) Fckl. 



On Sporobolus cuspidatus, Long Pine. (12220) 

 Dothidea muhlenbcrgiae BU. 



On Muhlenbergia racemosa, Bwing. (12047) 



MOLLISIACEAE 



Mollisia sublividula (Nyl.) Karst. 



On old wood, Barney creek, Keya Paha county. (12222) 



