CONTENTS 



PAGE 



The Genus Lamprospora, with Descriptions of Two New 



Species - - - . - - Fred J. Seaver 45 



Cultures of Uredineae inigii - - J.C. Arthur 49 



A Black Knot Disease of Dianthera americana L. 



I. M. Lewis 66 



The Agaricaceae of Tropical North America — V. 



William A. Murrill 72 



Notes on Iowa Saprophytes — I - T. H. Macbride 84 

 Thraustotheca clavata. W. C. Coker and O. W. Hyman 87 



Polyporaceae and Boletaceae of the Pacific Coast 



William A. Murrill 91 



News and Notes - -loi 



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