26 
The Colorado Experiment Station 
They are glued together with a mucilaginous material which sticks 
them securely to the spot. However, as soon as a drop of moisture 
touches them, the mucilage is dissolved and the spores are set free 
in the water. At this time any disturbance of the plant is apt to 
scatter the spores in the flying drop of water, and for this reason 
Fig 1 . III.—Bean pods affected with Anthracnose or Pod Spot (After Whetzel. 
Bulletin 255, Cornell Experiment Station) 
