Reprinted from Rhodora, Vol. XVII.— October, 1915. 
ISSUED 
OCT 30 1915 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Series.— No. XLIV. 
THE GENUS EUPHRASIA IN NORTH AMERICA. 
M. L. Fernatp anp K. M. Wreacanp. 
