PLATE XXVIII 
Sclerotinia libertiana: 
Fig. i.—Root inoculated with Sclerotinia libertiana from lettuce. Note the white 
mycelial felt and the production of sclerotia. 
Fig. 2.—Three roots (on left) inoculated with Sclerotinia sp. from ginseng. Healthy 
check root (on right). 
Fig. 3.—Apothecia from sclerotia from celery strain. 
' Fig. 4.—Apothecia from sclerotia from ginseng strain. 
