graminis secalis from Hordeutn jubatum, Moorliead, Minn. 



^-1?^ 



iv 



3p: 



1 ok 

 ■-B-- 



-B--B--B B-- 



9 13 29 so 



B^J-B^^- 



79 31 21 I? 35 



R — ; 30-R 

 '45 



Ac== Agropyran cristatum. 

 Ad = ^4. desertorum. 

 Ae=.4. elongatum. 

 A. iinb. = .4. imbricatutn. 

 Ai=.4. interinedium. 

 As=^. smithii. 

 A.sih. = A. sibericum. 

 At=A. teneruni. 

 Ap=Alopecurus pratensis. 

 Sp=Bromus puinila. 

 Kp^ Hordeutn pusilluyn. 

 Ar=AgTopyron re pens. 



ok=ioo per cent infection; record of exact num- 

 ber of infected leaves lost. 

 ■ Small uredinia. 

 2 Plants died young. 



W 



R-;9-R — 



30' ^ 25 



ori 



27 „i6 

 B--B-T 



Ad- 

 as 



A. imb. ■ 



Ac^ 



20 



Aei| 



January 2,',, 1917. 



