as - Vol XXIX JUNE, 1900 ONG Be 
; EDITORS fads 
. JOHN 1 M. COULTER, Zhe University of Chicago, Chicago, Il. 
CHARLES R. BARNES, Zhe University of Chicago, Chicago, Ml. 
J. C. ARTHUR, Purdue University, Lafayette, Ind. 
ASSOCIATE EDITORS 
FRITZ NOLL 
University oof ee 
VOLNEY ae saeaek 
Hee ¥ chigan 
“R ROLAND THAXTER 
te ea of Berlin arvard University 
LON GUIGNARD WILLIAM eu eoniie | fo 
PER ys Beale. x Pharmacie, Paris Missouri Botanica ical Gar den 
T A. HARPER H. MARSHALL. WARD a 
University of Wisconsin ersity of Cambridge 
© MATSUMURA EUGEN. WARMING 
Imperial University, Tokyo ersity eo eset . 
VEIT WITTROCK _ 
Royal Atadeny of Sciences, Stockholm 
