1244 Wisconsin Academy of Sciences, Arts, and Letters . 
EXPLANATION OF PLATE XCIV. 
Figs. 64-65. Section, showing haustorium; the walls of the appresso- 
rium are thicker than in the preceding figure. 2500. 
Fig. 66. Section of young appressorium showing thickened host cell 
wall under it. X2500. 
Fig. 67. Partial surface view of young appressorium showing nuclei 
migrating out into it. 
Magnification:—A ll figures are magnified about 1300X unless as noted 
differently after the figure. 
