54 JOURNAL OF THE 



39. Cercospora nympheacea E. & E. Spots amphige- 

 nous, siibcircular, 2 — 4 ;;/;;/., nearly the entire disk is of 

 a leaden color from profuse development of the fungus, 

 bordering this is a narrow ring of dirty gre\- color, mar- 

 gined by indefinite purple, which is separated from the 

 grey ring by slightly elevated ring. Hyphse epiphyllous, 

 densely fasciculate, fascicles crowded, short 10 — 20 X 3, 

 fuliginous with olive tinge. Conidia very slender, taper- 

 ing very little toward apex, hyaline or subhyaline, 

 8 — multiseptate. curved or flexuous, 80 — 120 X 2, 5 — 3. 



On leaves of Nyiuphea odorata^ 2160, Auburn, Septem- 

 ber 2, 1 89 1, Duggar. 



40. Cercospora Saururi E. & E. Spots black above, 

 light brown below, suborbicular, 3 — 6 mm.^ with a broad, 

 ill-defined border of yellow. Hyphae amphigcnous, fasci- 

 culate, short, nearly straight, faintly fuliginous, 10 — 20 X 

 4 — 5. Conidia hyaline, terete, straight or curved, few to 

 pluriseptate, 30—140 X 3, 5—4, 5. 



On leaves oi Sniiriiriis ceniinis^ ^S^Si Shorter's Station, 

 July 16, 1890, Atkinson. 



41. Cercospora Rubi Sacc. Spots amphigenous, brown 

 with frequently a light center, bordered by red above, 

 irregular and frequently confluent. H\phae epiphyllous, 

 fasciculate, spreading from tuberculate base, short, con- 

 tinuous, faintly fuliginous, tufts black, numerous, 3, 5 — 4 

 in diameter. Conidia acrogenous, terete, slender, faintly 

 colored, 30 — 100 X 2, 5 — 3. 



On leaves of Rubus cuneifoliiis^ 1130, December, 1889; 

 1536, August 8, 1890; 1764, September 4, 1890, Auburn, 

 Atkinson. In 1536 the red border of the spots is suffused 

 with yellow. 



42. Cercospora Bcehmerlk Pk. Spots amphigenous, 

 at first limited by the veins of the leaf, in age sometimes 

 orbicular with indefinite yellowish border, 3 — 6 nun. 

 Hyphio hypophyllous from rotund tuberculate stroma, 



