66 JOURNAL OF THE 



identical with Thiimen's Solani. Specimens collected by 

 Langlois, 1322, in Louisiana and marked C. Solani^ agree 

 quite well with Ellis' diffusa and are quite different from 

 my specimens. 



On leaves of Solanum nigrumi^\ 1225, Auburn, July 

 5, 1890, i\tkinson. 



75. Cercospora catenospora n. sp. Diffused in 

 irregular patches or over large surface of under side of 

 leaves, giving dirty green color. Hyphae fasciculate from 

 stomata of leaf, divergent, 20—30 up to 75 X 5 — 6, 

 septate, nearly cylindrical, often toothed, bearing conidia 

 laterally as well at the apex, olive yellowish, rarely 

 darker and inclined to faint reddish tinge. Conidia lateral 

 and acrogenous, concatenate or single, cylindrical when 

 concatenate and then abruptly tapering each way to small 

 truncate end, terete when single, more rarely slightly 

 clavate, dilutely olive yellowish, often guttulate, 1 — 6 

 septate, 20 — 100 X 4 — 5. 



On leaves of Samhiiats canadensis^ 2045, Auburn, 

 August 27, 1 89 1, Atkinson. The leaves are severely 

 injured by the fungus, which causes them to curl and fall, 

 so that in many cases the shrubs are entirely denuded of 

 their leaves. 



76. Cercospora Erechtitis n. sp. On dead parts of 

 the leaf Hyphse epiphyllous, fasciculate, reddish brown, 

 geniculate or scarred, in which case hyphro are cylindrical, 

 frequently guttulate, 50 240 X 4. Conidia hyaline, 

 septate and guttulate, 70 — 230 X 3 — 4- 



On leaves of Erechtites hieracifolia^ 2303, Auburn, 

 November 5, 1891, Duggar. 



']']. Cercospora gossypina Cooke. Spots light brown 

 or dirty white, irregular, often bordered by a dark or 

 purple color, frequently without spots appearing on large 

 dead or dying areas of the leaf Hypha? amphigenous, 

 fasciculate, brown, geniculate or toothed, 70-450 X 5—7. 



