PLATE A 
Fusarium spp. on vegetable media: 
Fig. i~3 and 5.— Fusarium oxysporum Schlecht. 3045. 1, Twenty-one-day-old 
culture on potato cylinder showing typical bluish green sclerotial masses, no pion- 
notes. 2, Eighteen-day-old culture on stem of Melilotus alba with pionnotes. 
3, Eighteen-day-old rice culture with typical coloration of the section Elegans. 5, 
Thirty-day-old cotton-stem culture with sporodochia. 
Fig. 4.— F . hyperoxysporum Wollenw. 3343. Thirty-one-day-old culture on potato 
cylinder with development of pionnotes. Cultures on the three other media are as 
illustrated for F. oxysporum (fig. 1-3, 5). 
Fig. 6-8.—F. mdickola Wollenw.; illustrates equally well F. martii andF. eumartii . 
6, Potato cylinder 34 days old with pionnotes brown to verdigris. 7, Seventeen-day- 
old culture on stem of Melilotus alba with pionnotes and immature sporodochia. 
8, Rice 28 days old, with pionnotes on upper surface. Coloration of the section 
Martiella. 
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