Oct. IS. 1921 Aecial Stage of the Orange Leaf rust of Wheat 



155 



Table l.—Data obtained in igig from sowing teliospores of Puccinia triticina, from 10 

 different localities, on various host plants, mostly of the families Ranunculaceae and 

 Boraginaceae o- 



" — No infection. 

 " Pycnia produced. 

 ^ Two sowings were made, 

 the other. 



Pycnia were produced from only one sowing, no result being obtained from 



The telial collections used in the cultures were all obtained from Triti- 

 cum aestivum (T. vulgare) in the following localities : 



118, from Stillwater, Okla., collected by J. D. Moore. 

 218, from Flint, Ala., collected by McClellan. 

 418, from Tennessee, collected by W. T. Evans. 

 618, from Carrolton, Ga., collected by R. O. Bums. 

 718, from Carrolton, Ga., collected by R. O. Burns. 



