Aug. 27, 1917 Puccinia graminis on Cereals and Grasses 



457 



acter of infection on the cereals and grasses was the same as that pro- 

 duced by the other strains of P. graminis avenae which were tried. The 

 rust developed normally on oats and Dactylis glomerata, nearly normally 

 on Calamagrostis canadensis, and but very imperfectly on barley, rye, 

 and Phleum pratense. 



Table XXIV. — Results of inoculations with urediniospores from Phleum pratense L. 



