Bulletin No. 26. V. P. P. 79. 



U. S. DEPARTMENT OF AGRICULTURE, 



DIVISION '' VEGETABLE PHYSIOLOGY AND PATHOLOGY. 



ALBERT F. WOODS, CHIEF. 



WAKKER'S HYACINTH GERM, 



Pseudojiioiias hyacinthi (Wakker). 



BY 



ERWIN F. SMITH, 



IN CHAROE OF LABORATORY 6f PLANT PATHOLOGY. 



Issued February 21, 1901. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 I 90 I. 



