, u 



THE 



CLAVARIAS OF THE UNITED 

 STATES AND CANADA 



BY 

 WILLIAM CHAMBERS COKER 



KENAN PROFESSOR OF BOTANY, UNIVERSITY OF NORTH CAROLINA 



WITH NINETY-TWO PLATES 



Chapel Hill, N.C.,U. S. A. 

 THE UNIVERSITY OF NORTH CAROLINA PRESS 



1923 



