JOURNAL OF MYCOLOGY. 



VoL 1. MANHATTAN, KANSAS, MARCH, 1885. No. 3. 



[continued from page 24 . ] 



ENUMEKATION OF THE IS^ORTH AMERICAN 

 CERCOSPOR^. 



WITH descriptio:n^s of the species. 



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



33. Cercospora Smilacis, Thuem. Hedwigia, ]880, p. 35. 33d Rep. 

 N. Y. State Mus., p. 29 (with figures.) -N". A. E. 1251. Rav. Fungi 

 Amer. 166, 616. 



Spots numerous, small, orbicular, reddish- brown, surrounded by a 

 darker, raised margin. Hyphse hypophyllous, tufted, slender, septate, 

 nodulose above, colored. Conidia narrow-clavate, 30—60 !J- long, hyaline. 

 2 — i septate. 



On living leaves of various species of Smilax from X. Y. (Pk.) to 

 Florida (Dr. Martin.) Distributed in F. Am. cited above, as Helmintho- 

 simrium Petersii^ B. & C.,but the specimens do not agree well with 

 the description in Grev. Ill, p. 102, nor with specimens of that species 

 in Herb. Curtis. 



34. Cercospora RHumA, C. & E. Grev. VI, p 89. N. A. F. 47. 

 Mostly hypophyllous. Hyphse olive brown, 40—60 x 3 ; nucleate 



but mostly without septa, collected in little tufts or fascicles on reddish 

 brown (2 — 4 mm.) spots with a narrow, raised margin. Conidia cylin- 

 drical at first, finally attenuated above, nearly hyaline, nucleate, sparingly 

 and faintly septate, 40—70 x 3 p-. 



On leaves of Rhus copalUna and R. glabra, from Xew .Jersey to 

 Kansas. Common. 



