256 C. D. Sherbakoff 



Solani mediis, plerumque 3-septatis, 34.7x4.6 (31-36 x 4.4-5)^, ex 

 hyalino luteolo-glaucis vel pallide "turquoise green" (R), multis minutis 

 sporodochiis; sporodochiis saepe in pseudopionnotem vergentibus; aerio 

 mycelio brevi (usque ad 3 mm. alt.) typice (in agaribus variis) subtili, 

 aequabiliter laxo vel laxissimo, pubescenti viso, ex albo caesio-albo; sub- 

 strate — in agaribus perglucosis — ex pallide glauco-viridi "tawny-olive" 

 (R) et "sepia" (R). 

 Hab. In tuberibus Solani tuberosi, Colorado, Amer. bor. 



Measurements of conidia on different media are as follows: 



On slightly acidified hard potato agar, culture seventeen days old; 



conidia from pseudopionnotes : 



Conidia: 0-septate, 6 per cent, 10.6x3.15 (8.5-12.5x2.5-3.5)^1 

 1-septate, 10 per cent, 19.5 x 3.9 (14-21 x 3-4.4) /x 

 2-septate, 4 per cent, 24.15 x 4.2 (21-27 x 3.5-4.7)m 

 3-septate, 64 per cent, 36.4 x 4.4 (26-50 x 4-5) /x 

 4-septate, 16 per cent, 47 x 4.5 (40-56 x 4.3-5.3) m 

 5-septate, rare, 50 x 4.8 (47-56 x 4.3-5.3) ^t 



On red raspberry cane plug, culture eighty-six days old; conidia f rom • 

 a sporodochium: 

 Conidia: 0-septate, 3 per cent 



1-septate, 7 per cent, 19 x 3.5 (12-23 x 3-4.1)m 



2-septate, 2 per cent 



3-septate, 88 per cent, 41.6 x 5 (24-44 x 4-5.7) m 



4-septate, very rare, 43 x 5 (only one measured) 



On hard lima-bean agar with 2 per cent glucose, culture sixty-four days 

 old; conidia from pseudopionnotes: 

 Conidia: 0-septate, 10 per cent 



1-septate, 22 per cent, 22 x 4.1 (16-30 x 3. 5-4.7) m 



2-septate, 10 per cent 



3-septate, 58 per cent, 31 x 4.6 (22-37 x 4.2-5) m 



On rye grain, culture sixty-four days old; conidia from a sporodochium: 

 Conidia: 0-septate, 39 per cent 



1-septate, 28 per cent, 20 x 3.9 (14-23 x 3.5-4.4) /x 



2-septate, 5 per cent 



3-septate, 28 per cent, 31 x 4.6 (24-36 x 4.3-5)^ 



