CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 
GARDEN—No. 90 “ 
STUDIES IN NORTH AMERICAN 
PERONOSPORALES—I. THE 
GENUS ALBUGO 
By GUY WEST WILSON 
NEW YORE 
1907 
(From the BuLietin or THe TORREY BOTANICAL CLUB 34: 61-4. 1907] 
