180 C. D. Sherbakoff 



Hab. On rotted tubers of Solarium tuberosum in association with 

 F. Solani and F. coeruleum, New York State. 

 Measurements on different media are as follows: 



On slightly acidified hard potato agar, culture eleven days old, conidia 



from pseudopionnotes : 



Conidia: 0-septate, 0.8 per cent 



1-septate, 3.4 per cent, 20 x 3.3/* 



2-septate, 2.5 per cent, 30 x 3.8/* 



3-septate, 49 per cent, 40 x 4 (30-56 x 3-4.7)/* 



4-septate, 21.8 per cent, 50 x 4.3 (43-60 x 3.9-4.5) /* 



5-septate, 22.5 per cent, 53.5 x 4.4 (49-62 x 4-4.7) /* 



On red raspberry cane plug, culture sixty-eight days old ; conidia from 



a sporodochium : 



Conidia: 1-septate, very rare 

 2-septate, very rare 



3-septate, 9 per cent, 41 x 3.7 (21-48 x 3.3-4.4)/* 

 4-septate, 24 per cent, 46 x 4.1 (36-60 x 3.8-4.7)/* 

 5-septate, 67 per cent, 51 x 4.2 (42-62 x 3.9-4.7)/* 

 6-septate, rare, 62-70 x 4.1-4.8/* (only a few measured) 



On potato tuber plug, culture eighty-two days old; conidia from a 

 sporodochium : 

 Conidia: 1-septate, rare 



2-septate, rare 



3-septate, 6 per cent, 36 x 3.8 (25^2 x 3.5-4.1)/* 



4-septate, 17 per cent 



5-septate, 77 per cent, 49 x 4.2 (43-55 x 3.5-4.7)/* 



On hard lima-bean agar, culture seven days old; conidia from aerial 

 mycelium : 



Conidia: 0-septate, 3 per cent 

 1-septate, 8 per cent 

 2-septate, 8 per cent 

 3-septate, 65 per cent, 39x4.1 (31-67x3.9-5.7)/*, the longest 



68 x 4.4/* 

 4-septate, 14 per cent, 49 x 4.7 (44-60 x 4.2-5.3)/* 

 5-septate, 2 per cent, 59 x 4.8 (52-63 x 4.3-5.7)/* 



