Vol. 26 



JULY, 1899 



No. 7 



t 



BULLETIN 



OF THE 



ToRREY Botanical Club 



Editor 



J 1 



LUCIEN MARCUS UNDERWOOD 



Associate Editors 



CARLTON CLARENCE CURTIS 

 BYRON DAVID HALSTED 

 ARTHUR HOLLICK 



MARSHALL AVERY HOWE 

 FRANCIS ERNEST LLOYD 

 ANNA MURRAY VAIL 



CONXENXS 



Studies inSisj^rtncAtum^lll : S. anguitifolium 

 and some related Species new and old : Eugene 

 P. Bicknell 335 



New Plants from Wyoming — IX : Avtn Nel- 

 son ; 350 



yuncu9 ripens Michx. — A Morphological and An- 

 atomical Study (Plate 363): Thee Holm 359 



The Genus Achillea in North America : Charles 

 L,ouis Pollard . , • 365 



A little-known Mildew of the Apple (Plate 364): 



A. y. Grcut * . , . 373 



Nomenclatural Notes^II : yohn Hendley Barn* 



kari . 376 



The Influence of wet Weather upon parasitic 



Fungi ; Byron D. Halsted .,•..... 381 



Proceedings of the Club 390 



Index to recent Literature rbi^ting 



TO American Botany 395 



PUBLISHED FOR THE CLUB 



The New Era Printing Company 



Lancaster, Pa» 



1 



