PLATE I 



Scale. 1" to 20 microns. 

 Camera lucida drawings of spores of the six organisms on potato-dextrose agar, 21 days at 20o C. 



1. Colletotrichum tabificum. 4. Quebec organism. 



2. Saltation. 5. Colletotrichum atrovirens. 



3. Vermicularia varians. 6. Colletotrichum atramentarium. 



