Some developmental stages in the life history of Sclerotinia 
libertiana grown in flower pots of sterile sand 
thecia of S. libertiana, produced under unfavorable growing conditions 
other strain of S. libertiana . Compare with A 
-dextrose agar showing numerous colonies of growth from germinating ascospores. 
3ing held over a ‘‘shooting” apothecium 
nltures of S. libertiana, S. intermedia, and S. minor, respectively, grown on potato 
