172 C. D. Sherbakoff 



On hard lima-bean agar, culture nine days old; conidia from pseudo 



pionnotes : 



Conidia : O-septat e j 



1-septate > 1 per cent 

 2-septate J 



3-septate, 2 per cent, 45 x 4 (only a few measured) 

 5-septate, 40 per cent, 63 x 4.3 (43-76 x 3.5-4.7) m 

 6-septate, 22 per cent, 72 x 4.4 (62-79 x 4-4.7) /* 

 7-septate, 18 per cent, 80 x 4.5 (63-88 x 4.3-4.8) M 

 8-septate, 10 per cent, 87 x 4.7 (75-93 x 4.3-4.8) n 

 9-septate, 5 per cent, 88 x 4.7m (only two measured) 

 10-septate, 2 per cent, 90 x 4.8/x (only one measured) 



On wheat grain, culture forty-six days old; conidia from aerial mycelium 

 close to substratum: 



Conidia: 0-septate, 3 per cent: arthrosporial, 15 x 4.1 (10-22 x 3.9-4.4)^; 

 sickle-shaped, 20 x 2.8 (16-22 x 2.6-3.5) m 



1-septate, 27 per cent j arth ial 2? x 4 4 (20 _ 38 x 3 Q _ 



2-septate, 4 per cent > ' 



3-septate, 38 per cent J 



4-septate, 11 per cent 



5-septate, 15 per cent, 53 x 3.9 (42-62 x 3.5-4.2)/* 



6-septate, 2 per cent, 65 x 4.2 (54-70 x 3.9-5.2) p 



7- and 8-septate, rare, 73-81 x 4.1-4.8/x (only three measured) 



Average of the above measurements: 

 Conidia: 0-septate, 0.6 per cent 

 1-septate, 4.6 per cent 

 2-septate, 2.2 per cent 

 3-septate, 14 per cent 

 4-septate, 4 per cent 

 5-septate, 40 per cent, 50 x 4.2/z 

 6- and 7-septate, 16.8 per cent, 76 x 4.6/x 



8- and 9-septate, 14.4 per cent, 89 x 4.86/z 



10- to 15-septate, 3.4 per cent, 103 x 4.9/x (the largest conidium 

 found was 15-septate, 150 x 6/z) 



