JOURNAL OF MYCOLOGY. 



Vol. 1. MANHATTAN, KANSAS, APRIL, 1885. No. 4. 



[continued fkom page 40.] 



ENUMERATION OF THE NORTH AMERICAN 

 CERCOSPOR^. 



WITH DESCRIPTIONS OF THE SPECIES. 



BY J. B. ELLIS AND BENJAMIN M. EVERHART. 



67. Cercospora monoica, Ell. & Hoi. Jour, of Mycol. I, p. 6. 

 Epiphyllous, forming clusters of minute, snuffc-brown tufts on brown, 



dead spots with a yellow shaded border, and on the green parts of the 

 leaf which soon become yellowish and finally brown. Hyphse densely 

 tutted, pale brown, continuous, abruptly undulate and denticulate above, 

 35 X 2i Conidia slender, nearly straight, yellowish, granular, becom 

 ing indistinctly 3 — 8-septate. Differs from C. tuherosa, E. rf' K. (which is 

 the same as C glaucescens. Winter in Rabh. E. Eur. 3080) in its epiphyl- 

 lous growth, larger tufts of hpyhse and in its shorter, narrower, and less 

 distinctly septate conidia. 



On AmpMcarpcea monoica., July, Iowa (Holway.) 



68. Cercospora Gnaphalii, Hark. Bull. Cal. Acad. Sci. , Feb. 84, p. 38. 

 "Spots broad, indeterminate. Tufts aggregated. Hyphse short. 



brown. Conidia pale brown, attenuated above, 3—7 septate, 120 x 16 

 On Gnaplialium, Cal. (Ilarkness.) 



69. Cercospora GOSsYPmA, Cke. Grev. XII, p. 31. Rav. F. Amer. 

 583. 



