6o JOURNAL OF THE 



flexuoiis and toothed, 20 — 50 X 4, tufts in parallel rows. 

 Conidia hyaline, nearly cylindrical, straight or curved, 

 faintly 2—6 septate, 30—70 X 3—3, 5- 



On leaves of Sporobolus asper^ 2009, Auburn, July 24 

 and August 7, 1891, Duggar and Newman. 



57. Cercospora Davisii E. & E. Spots brown, sub- 

 circular. Hyphce amphigenous, brown, nearly straight, 

 denticulate near tips, fasciculate, 30 — 90 X 5. Conidia 

 subhyaline or very faintly yellowish , nearly straight, 5 — 8 - 

 niultiseptate, cylindrical or terete, 80 — 140 X 3, 5 — 4, 5. 



On leaves of Melilotits alba^ 1268, Uniontown, July 12, 

 1890, Atkinson. 



58. Cercospora alth/eina Sacc. Spots angular, am- 

 phigenous, dirty white with narrow black border, 2 — 3 mm. 

 Hyphae amphigenous, fasciculate, fuscidulous, geniculate 

 or toothed at apex, continuous, 30—50 X 4 — 5. Conidia 

 hyaline, slender, terete, niultiseptate, straight or lightly 

 curved, 30—100 X 3, 5—4, 5. 



On leaves of Althcea rosea, 1253, Uniontown, July 12, 

 1890, Atkinson. 



Var. MoDiOL.E, n. var. Spots same but little smaller, 

 with narrow raised margin. Hyphse amphigenous, fas- 

 ciculate, fuscidulous, continuous, cylindrical, 30 — 70 X 

 4, 5. Conidia hyaline, slender and tapering to very nar- 

 row apical portion, niultiseptate, 50 — 100 X 3 — 4. 



On Modiola nitdtifida^ i253<3', Auburn, 1890, Atkinson. 



59. Cercospora Silphii E. & E. Spots angular, am- 

 phigenous, black or dirty grey with black border, 2—4 

 mm. Hyphae amphigenous, fasciculate from black base, 

 tufts numerous distributed over the spot, fuliginous with 

 reddish tinge, toothed, longer ones septate, usually 15 25, 

 but up to 70 X 4 — 5. Conidia obclavate, usually some- 

 what curved, faintly olive, yellowish tinted, 3 — 6 — septate, 

 30—100 X 3, 5-5. 



