42 JOURNAL OF THE 



had access to was probably quite well matured and some- 

 what yellowed when attacked. 



On cultivated cherry (ox heart) leaves (Pntnus aviitm f) 

 1835^7, Gold Hill, September, 1890, x\tkinson; 1968, Au- 

 burn, July, 13, 1891, Newman. 



2. Cercospora ZinnL'F. E. & M. Spots small, whitish, 

 with broad indefinite dirty brown border, or numerous 

 small white spots in large confluent brown areas. Hyphae 

 epiphyllous, loosely fasciculate, 40 — 80 X 4 — 4, 5, reddish 

 brown, straight or abruptly geniculate and denticulate 

 toward apex, septate. Conidia obclavate, hyaline, multi- 

 septate, 50 — 100 X 4 — 4, 5. 



On leaves of Zinnia multijlora, 2156, Auburn, summer, 

 1890, Atkinson. 



3. Cercospora CERCiDicoLA Ell. Spots amphigenous, dark 

 brown to blackish with indefinite border of dirty yellow, 

 suborbicular, veins of leaf prominent, 3 — 6 mm. Hyphae 

 mostly hypophyllous, fasciculate, lower half closely and 

 compactly parallel, spreading above, where they are sub- 

 flexuous, subnodose and prominently denticulate, reddish 

 brown, septate and multiguttulate, 70 — 160 X 4, 5. Co- 

 nidia faintly colored, obclavate to tereti-fusoid, i — 5 sep- 

 tate, guttulate, 30 — 50 X 5 — 6. 



Agrees with N. A. F. 1246, but spots of the latter are 

 darker bordered; the raised border seems to be due to the 

 prominent veins which frequently limit the areas. 



On leaves of Cercis Canadensis^ 2016, xALuburn, August 

 7, 1 89 1, Newman and Duggar. 



4. Cercospora omphakodes E. & Holw. Spots brown, 

 black bordered, circular, 2 — 3 mm. Hyphae amphigenous, 

 fasciculate, subgeniculate and denticulate, bright reddish 

 brown, 30 — 60 X 4. Conidia slender, terete, dilutely 

 reddish, 4 — 6 septate, 50 — 60 X 3. 



On leaves of Phlox Floridana^ 1190, Auburn, June 23, 

 1890, Atkinson. 



