38 THE WEST VIRGINIA FLORA 



pitose, erect, 40 to 50 x 4 to 6 ^, 2 to 3 septate, abruptly 

 constricted at the tips and subtruncate. Conidia terminal, 

 oblong-fusoid, 5-septate brown, not constricted at the septa, 

 30 to 40 x 12 to 14 /*, with a short (8 to 10 /x) obconical, 

 hyaline or pale-brown, persistent pedicel, which is sometimes 

 prolonged into a hyaline thread as long as the spore. This 

 prolongation may be something of the nature of a pith or 

 medulla drawn out of the supporting hypha and remaining 

 attached to the pedicel. 

 H. FUSIFORME Corda. 



On old barrel staves. Fayette, near Nuttallburg (Nuttall). 



CERCOSPORA Fres. 



C. ARMORACIAE Sacc. 



On Roripa Armoracia. Conidia 175 x 5 /x, Aug. 26, 

 1894 (Nuttall, 1687, 593). 

 C. CAULOPHYLLI Peck. 



On living leaves Caulophyllum thalictroides, Grant Co., 

 near Bayard (Millspaugh) . 

 C. VIOLAE Sacc. 



On Viola obliqua, Aug. 10, 1895 (Nuttall, 1841, 731). 



C. GRANULIFORMIS Ell. & Hoi. 



On living leaves Viola obliqua, June 28, 1894 (Nuttall, 



1565). 



C. OCULATA E. & K. 



On leaves Vcrnonia Noveboracensis, Aug. 6, 1894 (Nutt- 

 all, 1682). 

 C. VERNONIAE E. & K. 



On leaves Vernonia Noveboracensis, Oct. 10, 1894 (Nut- 

 tall 1698). 



C. OMPHACODES Ell. & Hoi. 



On Phlox amoena, July 14, 1894 (Nuttall, 1605). 



C. DlANTHERAE E. & K. 



On leaves of Dianthera Americana, Oct. 23, 1895 (Nutt- 

 all, 1879). 

 C. AVICULARIS Wint. 



On living leaves Polygbnitm aviculare, July 5, 1895 (Nutt- 

 all, 1815). 

 C. DUBIA (Riess) Wint. 



On Cheno podium album viride, July 4, 1894 (Nuttall, 



1587). 



C. BETICOLA SaCC. 



On leaves Beta vulgaris, Oct. 4, 1894 (Nuttall, 1692). 



C. BOEHMERIAE Peck. 



On leaves Boehmeria cylindrica, Oct. 5, 1894 (Nuttall, 

 1694). 



