1010 Walter H. Burkholder 



On raspberry cane plugs, cultures eighty days old; conidia taken from 

 pseudopionnotes : 



Conidia: 2-septate, rare 



3-septate, 66 per cent, 41.4 x 5 (32-48 x 4-5.8) n 

 4-septate, 34 per cent, 49.3 x 5 (44-56 x 4-5.8) /x 



On potato agar containing one per cent glucose, cultures twenty-tw 

 days old; conidia from pseudopionnotes: 



Conidia: 2-septate, 3 per cent, 37.7 x 4.4 (36-40 x 4-5.3) n 

 3-septate, 83 per cent, 43.5 x 5.2 (33.3-56 x 4-6.6) n 

 4-septate, 14 per cent, 52.3 x 5.4 (42.6-60 x 4.6-6.6) M 



On slightly acidified hard potato agar, cultures eleven days old; conidia 

 from pseudopionnotes: 



Conidia: 3-septate, 24 per cent, 48.7 x 5.3 (35.3-53.3 x 4.6-6.6) /z 

 4-septate, 76 per cent, 52.9 x 5.5 (46.6-56 x 4.6-8) n 

 5-septate, rare 



On potato plug, cultures eighty-three days old; conidia from pseudo- 

 pionnotes: 



Conidia: 2-septate, rare 



3-septate, 76 per cent, 43.5 x 5.2 (36-48 x 4-8) /z 

 4-septate, 24 per cent, 46 x 5.5 (42-49.3 x 4.6-6.6) /x 



On synthetic agar, 4 cultures thirty- three days old; conidia from pseudo- 

 pionnotes: 



Conidia: 3-septate, 24 per cent, 50.7 x 5.1 (41.6-58.5 x 4.5-6.5) /z 

 4-septate, 76 per cent, 54 x 5.2 (29.9-59.8 x 3.9-6.5) // 

 5-septate, rare 



NOMENCLATURE 



The name Fusarium martii was first used by Appel and Wollenweber 

 (1913) to describe a fungus which they regarded as identical with Fusi- 

 sporium solani Martius. These investigators presented a detailed descrip- 

 tion of the species, as did also Sherbakoff (1915 b) a few years later in 

 his monograph on the Fusaria of potatoes. In both instances the fungus 



4 Richard's solution with two per cent agar. 



