268 C. D. Sherbakoff 



''Saccardo's amber" (R); conidiis in totum e ferme albo olivaceo-gilvis; 



nullis chlamydosporis. 



Hab. In tuberibus putridis Solani tuberosi, New York, Amer. bor, 

 Measurements of conidia on different media are as follows: 



On slightly acidified hard potato agar, culture twenty-five days old; 



conidia from a sporodochium: 



Conidia: 0-se.ptate, rare 



1-septate, 25 per cent, 28-35 x 5.5-6.3/i 

 2-septate, 45 per cent, 26 x 6.3 (29-39 x 6.7) /x 

 3-septate, 30 per cent 37 x 6.5 (30-41 x 6.3-7)/z 



On red raspberry cane plug, culture fifty-five days old ; conidia from a 

 sporodochium : 



Conidia: 1-septate, 63 per cent, 30 x 6.7 (20-34 x 5.5-7.4) ju 

 2-septate, 37 per cent, 33 x 6.8 (25-37 x 6.5-7.4) ^ 



On the same medium as above, culture one hundred and thirty-six 



days old; conidia from a sporodochium: 



Conidia: 0-septate, few, 19 x 5.4^i (only a few measured) 

 1-septate, 30 per cent, 28 x 6.2 (20-32 x 5.2-6.8) ^t 

 2-septate, 62 per cent, 33 x 6.5 (28-40 x 6-7)m 

 3-septate, 8 per cent, 35 x 6.5 (31-40 x 6-7) /x 



On hard lima-bean agar, culture eight dsLys old; conidia from a sporo- 

 dochium: 



Conidia: 1-septate, 44 per cent, 30 x 6.3 (22-35 x 5.5-6.5))U 

 2-septate, 49 per cent, 33.7 x 6.4 (29-39 x 6-6.6) /x 

 3-septate, 7 per cent, 36 x 6.5 (31-40 x 6-6.6) m 



On same medium and from same sporodochium as above, culture thirty- 

 four days old: 

 Conidia: 0-septate, rare 



1-septate, 46 per cent, 30 x 6.2 (23-37 x 5.4-6.5)^ 

 2-septate, 35 per cent, 33.6 x 6.3 (24-39 x 5.8-6.5)/* 

 3-septate, 19 per cent, 36.9 x 6.5 (32-39 x 6.1-7)/* 

 Average of the above measurements: 

 Conidia: 0-septate, rare, 19 x 5.4/* 



1-septate, 42 per cent, 29.5 x 6.5/i 

 2-septate, 45 per cent, 32 x 6.4/i 

 3-septate, 13 per cent, 36 x 6.5/* 



