46 JOURNAL OF THE 



On leaves of Pcltaiidra alba^ 2193, Auburn, September 

 26., 1 89 1, Duggar. 



15. Cercospora beticola Sacc. Spots amphigenous, 

 possessing a blistered appearance, grayish with dark border, 

 I — 3 mm. Hyphse fasciculate, cylindrical, fuscidulous, 

 continuous, nodulose or scarred at or near apex, 70 — 200 

 X 4 — 5. Conidia slender, terete, hyaline, niultiseptate, 

 70—140 X 3- 



On leaves of cultivated sugar beet [Beta vulgaris)^ 1832, 

 Auburn, November 28, 1S90, Atkinson. 



16. Cercospora Vernoni.e E. & K.? Spots amphige- 

 nous, dirty greyish brown with irregular, indefinite border, 

 variable in size. Hyplice epiphyllous, fasciculate, mostly 

 hyaline when young to fuscidulous, subnodose and toothed, 

 20 — 40 X 4, 5. Conidia hyaline, obclavate, slender, 3 — 

 12 — septate, 70 — 120 X 3, 5 — 4. 



On leaves of Vernonia noveboraccncis^ 2073, Auburn, 

 August 29, 1 89 1, Atkinson. 



17. Cercospora flagellaris E. & M. Spots amphige- 

 nous, at first small, whitish, 2 — 4 mm. , with raised and 

 blistered margin, bordered with indefinite red, later larger 

 and often then confluent over dead parts of the leaf and 

 marked frequently with concentric lines. Hyphse am- 

 phigenous, fasciculate, pale reddish brown, septate, nearly 

 cylindrical, undulate and nodulose above, 30 — 50 X 4, 5. 

 Conidia long, abruptly slender from near the base, hya- 

 line, niultiseptate, 30 — 120 X 4. 



On leaves of Phytolacca decandra^ i947? Auburn, July 

 II, 1 89 1, Newman. 



18. Cercospora Acalypiff Pk. Spots on leaves am- 

 phigenous, small, numerous, with a i — 3 mm. wdiite cen- 

 ter bordered above by dark purple, below by light brown. 

 Hyphae amphigenous, loosely fasciculate, nearly straight 

 or subflexuous or geniculate, prominently scarred, septate, 

 olive brown with faint reddish tinge, 80 — 140 X 4, 5 — 5. 



