ELISHA MITCHELL SCIENTIFIC SOCIETY. 5 1 



120 X 4, 5. Conidia hyaline, nearly cylindrical, tapering 

 gradually to each end, septate, 30 — 50 X 3. 



On Aster, 2365, Auburn, November 25, 1891, Atkinson. 



30. Cercospora richardlecola n. sp. Spots amphige- 

 nous, black with small white center and concentric lines 

 suborbicular, 2 — 6 m))i. Hyphae epiphyllous, fasciculate, 

 faintly fuliginous when young with reddish tinge, reddish 

 brown in age, usually straight but sometimes geniculate 

 or subflexuous to denticulate toward apex, 10 — 80 X 5. 

 Conidia hyaline, obclavate, 4 — 10 or more septate, 50 — 

 100 X 3 — 4. 



On leaves of RicJiardia A/ricana, 2111, Auburn, Sep- 

 tember 7, 1891, Atkinson. Very different from C. Callce 

 Pk. .'v^ Clint. 



31. Cercospora Alabamexsls n. sp. Spots amphigenous, 

 dirty white definitely limited by dark purple or black with 

 raised margin, 2 — 3 mm. Hyphae amphigenous, loosely 

 fasciculate, fascicles numerous, faintly septate, dilutely red- 

 dish brown, nearly straight, denticulate, or abruptly 

 shouldered and prominently scarred at angles, 50 — 100 X 

 4, 5. Conidia long, slender, straight or curved, hyaline, 

 closely multiseptate, terete, 70 — 250 X. 3 — 4. This is 

 quite different from specimens collected by Prof. Galloway 

 in Missouri, which have been referred by Ellis to C. 

 IpomoecE Winter, and specimens of which have been kindly 

 furnished me by Galloway and Ellis. 



On Ipoma'a purpurea^ 1248, Uniontown, July 12, 1890, 

 Atkinson. 



32. Cercospora flagellifera n. sp. Spots amphige- 

 nous, suborbicular to angular 3 — 4 mm. or large and 

 indefinitely limited (this may be due to presence of other 

 fungus), dark brown above, ligh ter below. Hyphae amphige- 

 nous, rather compactly fasciculate or spreading, reddish 

 brown, prominently scarred and flexuous and denticulate 

 toward tips, or cylindrical, 40 — 150 X 4, 5. Conidia 



