76 THE WEST VIRGINIA FLORA 



intermediate cells pale brown, end cells short, conical, hyaline, 

 the upper cell with a crest of 3 short, spreading hyaline 

 bristles 6 to 7 /* long. Distance between the two extreme 

 cells 12 fji, pedicels shorter than the spores. 



STEGANOSPORIUM Corda. 

 S. CASTANEAE Lib? 



On Castanea dentata, Nov. 14, 1893 (Nuttall, 1275, 221). 

 S. PIRIFORME (Hoffm.) Corda. 



On dying Acer rubrum, June 12, 1894 (Nuttall, 1553). 

 S. MURICATUM Bon. 



On dead limbs Betula nigra in drift-wood along river, 

 Oct. 21, 1895. Spores 35 to 50 x 15 to 18 /* (Nuttall, 1878). 



USTILAGINACEAE. 



USTILAGO Pers. 

 U. TRITICI (Pers.) Rostr. 



On living leaves Triticum vulgar e. Clinton, North Am 

 Flora, 7:8. 

 U. UTRICULOSA (Nees) Tul. 



On Polygonum Pennsylvanicum. Clinton, North Am. 

 Flora, 7:22. (Sheldon, 2230). 

 U. ANOMALA J. Kunze. 



On Plygonum scandens. Clinton, North Am. Flora, 7 122. 

 U. AVENAE (Pers.) Jens. (U. segetwm of Flora). 



On living heads of wheat and oats, Monongalia Co., near 

 Morgantown; Lewis Co., near Alum Bridge; Taylor Co., 

 near Thornton (Millspaugh). 

 U. TRICUSPIDIS, Ell & Gall. 



On Sieglingia seslerioides. Clinton, North Am. Flora, 



7:i3- 



U. ZEAE (Beckm.) Unger. (U. Maydis Corda). 



On living ears and tassels of sweet corn, prevalent in 

 Monongalia Co., 1891 ; near Morgantown (Millspaugh) . On 

 garden corn, July 31, 1894 (N ut tall, 1636). 

 U. LAEVIS (Kell. & Swing.) Magn. (U. avenae laevis, Kell & 

 Swing.). 



On oats, Sewell Mountain, alt. 2,600 ft., Aug. 23, 1894 

 (Nuttall, 1678). 



U. PERENNANS Rostr. 



On Arrhenatherum elatius (Sheldon, 2361). 

 U. CESATI F. de W. 



On Panicum sanguinale (Sheldon, 910). 



