PROCEEDINGS OF THE ANNUAL MEETING 



175 



at the Agricultural college. There are many difficulties to be overcome 

 in securing good sjieciniens and in preparing good s<'ctions. that they 

 mav be clear enough to serve the artist as models for studv and drawiny;. 

 I hardly need speak at length concerning the illustrations. 



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Plate l. 



1. Apple affected with scab. 



2. Leaf of apple affected with scab. 



3. Section of apple through affected spot. 



4. Two short stems bearing spores. 



5. Spores germinatirig. 



6. Apple aifected with soft rot— blue mould. 



7. Tuft of mould from apple. 



8. Stem of mould bearing branches that contain spores. 



9. Spores germinating. 



10. Two threads from growth twisting about each other. 



11. Still later with more jointed threads beginning to form perithecium. 



Apple scab or black-spot {Fusicladium dentriticum [Wallr.] Eckl.) is 

 the worst all-round thief that worries the apple tree and its fruit. It is 

 found all over the world where apples are grown, but is specially proui- 

 inent in cool, temperate regions. 



