PLATE 6 
A. —Portion of corn plant about three weeks old showing stripes in the leaves 
caused by natural infection of some of the bundles with C. acremonium. 
B. —Spores of C. acremonium. (X 1000) 
C. —Spore of C. acremonium 44 hours after germination on potato dextrose agar. 
(X 250) 
D. —Piece of mycelium of C. acremonium . (X 200) 
E. —Cephalosporium acremonium as it appears on the funiculus of germinating 
kernels of corn when mounted under the low power of the compound microscope. 
(X 200) 
F. —Photomicrograph of a cross section of a blackened vascular bundle in a green 
leaf of a young dent corn plant. The mycelium of C. acremonium is shown almost 
completely filling the spiral and the annular vessel and occasional strands are shown 
in the small pitted vessels between the two large pitted vessels. 
