88 THE WEST VIRGINIA FLORA 



(Nuttall, 169, 1218). On leaves of Fagus, same location 

 and collector (1773). On Betula, Monongalia : at Cheat 

 View; and on Quercus, Preston: at Rohr (Sheldon, 1223, 

 1224). 

 M. GROSSULARIAE (Wallr.) Lev. 



On leaves Sambucus Canadensis, Fayette : near Nuttall- 

 burg (Nuttall, 1693). On same Preston: near Cranesvilk 

 (Sheldon). 

 M. ELEVATA Burr, and Bess. 



On leaves of Catalpa Catalpa, alt. 2,200 ft. Oct. 2, 1894 

 (Nuttall, 1690). 

 M. RUSSELLII Clint. 



On Oxalis stricta, Aug. 9, 1694 (Nuttall, 1650). 

 M. VACCINNII Schw. 



On Epigaea repens, Oct. 1893. Threads slender, sharply 

 pointed, somewhat rough, asci 5-spored, 50 to 65 x 30 to 40 

 fi, spores 1 8 to 20 x 10 to n /x, (Nuttall, 1255). 

 M. QUERCINA (Schw.) Burr. 



On Quercus palustris, at Rupert's, Aug. 26, 1894 (Nuttall. 

 1686, 591). 

 M. ALNI-VACCINII. 



On V actinium sps. (Sheldon, 1222, 1226, 2015, 2684). 

 M. DIFFUSA Ck. & Pk. 



On Symphoricarpos mdgaris and Desmodium sp. (Shel- 

 don, 2667, 3485). 

 M. EUPHORBIAE (Pk.) B. & C. 



On Tithymalopsis corollata (Sheldon, 1109, 1946, 2030). 



ERYSIPHE (Hedw.) DC. 



E. ClCHORACEARUM (DC.) BuiT. 



On Xanthium Canadense, Nov. i, 1893 (Nuttall, 1223), 

 and on Eupatorium purpureum.. On cultivated Dahlia; on 

 Phlox paniculata; Taraxacum sp. ; Achillea mUlefolium; 

 Aster sps. ; Verbesina alternifolia; Vernonia sp. ; Plantago 

 sp. ; Ambrosia trifida and ar t em esiae folia; Lappula Virginia- 

 num; Helianthus annuus and Eupatorium perfoliatum 

 (Sheldon, 4254; 3529, 3532, 1652, 2118; 3482; 3134; 3488; 

 3 J 45; 353 1 ; 1141, 3 I2 5, 3 r 4i ; 595 IJ 74, 2248, 3172, 3483; 

 723;3i33; 56; 1967; 1257). 

 E. COM MUNIS (Wall.) Fr. 



On Eupatorium ageratoides, Oct. 14, 1894 (Nuttall, 1707). 

 E. GRAMINIS DC. 



On living leaves Poa pratensis, Preston Co., near Terra 

 Alta (Millspaugh). On Triticum vulgar e; Dactylis glome- 

 rata; Secale cereale and Poa compressa (Sheldon, 3002; 

 1638; 1606; 3224). 



