CONTENTS 



Studies of Plant Cancers— II . . . . Michael Levine i 



Nineteen Years of Culture Work . . . . J. C. Arthur 12 



Some New Hampshire Fungi . . . L. O. Overholts 24 



The Fungi of the Wilkes Expedition . « W. W. Diehl 38 

 Clitocybe sudorifica as a Poisonous Mushroom. 



J. W. Roberts 42 



Observations . on the Infection of Crataegus by Gymno- 



sporarigium . ........ . J. F. Adams 45 



The Fruit-Disease Survey . . . . . . W. A. Murrill 50 



Notes and Brief Articles 54 



Index to American Mycological Literature . . ... . . . 62 



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