20 



JOURNAL OF MYCOLOGY. 



8. Cercospora Asclepiadis, Ell. 1. c. C. venturioides, Pk? 34th Rep. 

 N. Y. St. Mils., p. 47. 



Amphigenous, but mostly epipliyllous, on suborbicular spots 

 (1 — 3 mm.) black at tirst thea becoming white in the center, \yith a defi- 

 nite dark brown or nearly black raised border around which the leaf is 

 stained purplish brown. Hyphse fasciculate, subnodulose, and sparingly 

 subdentate above, brown, 40 — 50 x 4 Conidia linear-obclavate, about 

 5-septate, hyaline, 80—120 x 3i— 4 fJ- 



On Asdepias Cormiti. Quite dilierent from C. clnvata, Ger. 



9. Cercospora Teucrii, E . & K. Bull. Torr. Bot. Club, vol. XI. p. 116 

 Epipliyllous, on brown (1 — 2 mm ) spots which soon become dirty 



white with a dark purple shaded border. !lyph[e tufted, brown, crooked 

 and subdenticulate above, 75—120 x 4 faintly septate. Coaidia long 

 and slender, 75—120 x 3—4 M, faintly septate. 



On leaves of Teucriiim Canadense, Aug., Kansas (Kellerman.) 



10. Cercospora Acalyph^e, Pk. 34th Rep. Y. State Mus., p. 48. 

 Spots very small, orbicular, dry, whitish, with a narrow purplish 



brown border. H^'phse epiph5dlous, tufted, subflexuous, septate, colored, 

 54— 75 X 5/^-. Conidia slender, rod-like. 5—7 septate, colorless, 50— 100x3 /^-. 

 On leaves of Acalypha Virginica. N. Y. (Pk.), Kansas (Kellerman.) 



11. Cercospora citrullina, Cke. Grev. XII. p. 31. Rav. F. 

 Amer. 589. 



Epiphyllous. Spots orbicular (2 — 4 mm. ) whitish with a purple shaded 

 border. Hyphse pale-olivaceous, elongated. Conidia very long, attenu- 

 ated above, sparingly septate, hyaline, 120—140 x 3 



On leaves of watermelon. S. Carolina (Ravenel.) 



12. Cercospora beticola, Sacc. Fungi Yen. nov. vel. crit. Ser. V. 

 p. 189. A. F.,Xo. 48. 



Amphigenous. Spots suborbicular arid, grayish (2— 3 mm.) with a 

 purplish border. Hyphse fasciculate, mostly without septa, 40 — 50 x 4 — 5 

 fj-, brownish, nodulose above. Conidia narrow, linear, multiseptate, hya- 

 line, 70—120 X 3 .": 



On leaves of cultivated beet. Common. 



13. Cercospora antiptjs. Ell. & IIol. Jour, of Mycol. I. p. 5. 



Amphigenous but mostly hypopliyllous, on round (3 — 1mm.) spots, 

 dirty gray above and ferrugineous-browii below, with a rather broad, 

 raised, dark colored border. Hyphfe fasciculate, brown undulate and 

 subgeniculate, imperfectly toothed above ; conidia cylindrical or clavate 

 -cylindrical with a pale yellowish tint, becoming faintly 3 — 5 septate. 

 30 — 4o X 2^ X 3 fJ-. Sphcerella Clymenice, Sacc. occurs on the upper surface 

 of the spots. 



On leaves of Lonicera flava, August, Iowa (Hoi way.) 



14. Cercospora Zinnije, E. & M. n. s. 



Spots i — i cm. across, consisting of a small (1— li mm.) white center 



