Vol. XIX SEF>T:e:Jv1BER 1, 1920 No. ll 



JOURNAL OP 



AGRICULTURAI/ 



RESEARCH 



CONXKNTS 



Page 



Genetics of Rust Resistance in Crosses of Varieties of 

 Triticum vulgare with Varieties of T. durum and T. 

 dicoccum _-_--_--_ 523 



H. K. HAYES, JOHN H. PARKER, and CARL KURTZWEtt 



(Contribution from Minnesota Agricultural Experiment Station 

 and Bureau of Plant Industry) 



Line-Selection Work with Potatoes - - - - 543 



O. B. WHIPPLE 



(Contribution from Montana Agricultural Experiment Station) 



Occurrence of the Fixed Intermediate, Hordeum interme- 

 dium haxtoni, in Crosses between H. vulgare pallidum 

 and H. distichon palmella ------ 575 



HARRY V. HARLAN and H. K. HAYES 



(Contribution from Bureau of Plant Industry and Minnesota Agricultural 

 Experiment Station) 



PUBUSHED BY AUTHORITY OF THE SECRETARY OF AGRICDITURB. 



WITH THE COOPERATION OF THE ASSOCIATION OF 



LAND-GRANT COLLEGES 



WASHINOXON, D. C. 



WMHINQTON : QOVCRNMENT PRINTINa OTFIOB I I»t0 



