Vol 26 



AUGUST, 1899 



No. 8 



BULLETIN 



OF THE 



ToRREY Botanical 



Editor 



LUCIEN MARCUS UNDERWOOD 



Associate Editors 



CARLTON CLARENCE CURTIS 

 BYRON DAVID HALSTED 



ARTHUR ROLLICK 



h ^ 



MARSHALL AVERY HOWE 

 FRANCIS ERNEST LLOYD 

 ANNA MURRAY VAIL 



CONTENTS 



Some Species of Bidens found in the United States 

 and Canada : K, M. Wiegand 399 



Studies in the Asdepiadaceae — IV : Anna Mur- 

 ray Vail 433 



Contributions to a better Knowledge of the Py- 

 renomycetes — I : A Study of Miscellaneous Spe- 



cies (Plates 365, 366) ; David Griffiths. 432 

 Studies oi Sisyrinckium—'W : S angustifolium 



and related Species of the West and Northwest: 



Eugene P. Bicknell 445 



In uex to recent Literature relating 



TO American Botany 458 



PUBLISHED FOR THE CLUB 



The New Era Printing Company 



w 



Lancaster, Pa. 



( 



