PLATE B 

 Fusarium spp. on vegetable media; 



Fig. 1-3. — Fusarium discolor Appel and WoUenw. 153, showing typical color reac- 

 tions of this type, species of the section Discolor. This section includes F. tricho- 

 thecioides and F. discolor, var. sulphureum, both of which differ from the type in 

 color reactions, i, Potato cylinder 11 days old, showing carmine red pigmentation 

 of the plectenchymatic mycelium. 2, Culture on cotton stem 35 days old, showing 

 sporodochia and pionnotes drying out. 3, Rice culture 11 days old. 



Fig. 4-6. — F. discolor, var. sulphureum (Schlecht.) Appel and Wollenw. 154. 

 4, Ocherous-orange pionnotes on ii-day-old potato cylinder. 5, Sporodochia on 39- 

 day -old cotton-stem culture. 6, Rice culture 11 days old. 



