Vol. 28 



APRIL, 1901 



No. 4 



BULLETIN 



OF THE 



Torrey Botanical Club 



Editor 





LUCIEN MARCUS UNDERWOOD 



Associate Editors 



NATHANIEL LORD BRITTON 

 CARLTON CLARENCE CURTIS 

 MARSHALL AVERY HOWE 



FRANCIS ERNEST LLOYD 

 DANIEL TREMBLY MACDOUGAL 

 HERBERT MAULE RICHARDS 



ANNA MURRAY VAIL 



CONTENTS 



A Preliminary Contribution to a Knowledge 

 of the Hydnaceae : H. J. Banker , . 199 



New Plants from Wyoming— XIII. : Aven 

 Nelson . . . . , . . . - . 223 



Contributions to a better Knowledge of the 

 Pyrenomycetes — II. : David Griffiths . 236 



Notes on Fournier's Mexican Species and 



Varieties of Bromus: C. L. Spear . . . 242 

 Teratology of A risaema: Rosina J. Rennert 247 



Proceedings of the Club 251 



Index to recent Literature relating 

 to American Botany 



PUBLISHED FOR THE CLUB 



The Nbw Era Printing Company 



Lancaster, Pa. 



