FUNGI. 165 



Order 



Family ERYSIBACEAE. 



SPHAEROTHECA Le>. 



Sphaerotheca castagiiei LeV. 



Ala. Bull. 180. Cornell Bull. 4. 



On Bidens frondosa. Lee County, Auburn, October, 1889 ( Atkinson) ; November. 

 1891 (Duggar). 



On leaves of Erechtites hieracifolia. Lee County, November 5, 1891 (Benton <f 

 Dug gar}. 



On Lactuca sp. Lee County, October, 1896 (Earle). 



Ohio, New Jersey. Europe. 



Sphaerotheca humuli (DC.) Burrill. 

 Cornell Bull. 4. 

 On Humulus, the hop. Lee County, Auburn, autumn, 1889 (Atkinson}. 



Sphaerotheca laiiestris Hark. 



Ala. Bull. 180. Cornell Bull. 4. 



On leaves of Quercus alba. Lee County, Auburn, August 21, December, 1891 

 (Atkinson}. 



Sphaerotheca pannosa (Wallr.) Le>. 

 Ala. Bull. 180. 



On a cultivated species of Rosa. Lee County, 1890 (Atkinson}. 

 Europe. 



PODOSPHAERA Kunze. 



Podosphaera biuncinata C. & P. 

 Ala. Bull. 179. Cornell Bull. 5. 

 On leaves of Hamamelis virginiana. Lee County, October 28, 1891 (Duggar). 



Podosphaera oxyacanthae (DC.) De Bary. 



Grevillea, 4 : 158, as Podosphaera kunzei Le>. Ala. Bull. 180. Cornell Bull. 5. 



On Prunus cerasus (Peters). 



On Crataegus sp. Lee County, Auburn, November, 1891 (Benton). 



On leaves of Primus americana. Lee County, Auburn, October 31, 1891 (Duggar}. 



On Mains mains. Lee County, April, 1896 (Earle). 



Europe. 



ERYSIBE Hedw. 



Erysibe cichoracearum DC. 



Ala. Bull. 176. Cornell Bull. 4. 



On Ambrosia artemisiaefolia. Lee County, May, 1890 ( Atkinson). 



On Ambrosia trifida. Perry County, 1890 (Atkinson). 



On Aster lateriflorus and A. tradescanti. Lee County, Auburn, 1891 (Atkinson). 



On Helianthus annuus. Lee County, 1891 (Duggar). 



On Willughbya scandens. Lee County, 1891 (Atkinson). 



On Phlox sp Mobile County, 1890 (Carl Zimmer}. 



On Solanum carolinense. Lee County, October, 1891 (Atkinson) ; Macon County, 

 October, 1890 (Carver). 



On Verbena urticaefolia. Lee County, October, 1891 (Duggar). 



On Xanthium canadense. Lee County, October, 1889 (Atkinson); Macon County, 

 August, 1896 (Carver). 



Over the State, and north to Canada. 



Europe. 



Erysibe communis (Wallr.) Link. 

 Ala. Bull. 177. Cornell Bull. 4. 



On Onagra biennis. Lee County, May, 1890 (Atkinson). 

 On Pisum sativum. Lee County, May, 1890 (Atkinson). 



On leaves of Oenothera laoiniata. Lee County, Auburn, June 3, 1890 (Atkinson). 

 Europe. 



