Aug. 27. 191 7 Puccinia graminis on Cereals and Grasses 



469 



Tabl3 XXIX. — Results of inoculations with urediniospores of P. graminis iritici 



compacii — Continued 



Original host. 



Immediate host. 



Plant inoculated. 



Trials. 



Re- 

 sult. 



Deeree of in- 

 fection. 



Triticum compacium 

 Do 



Do. 



Triticum com pactum. 

 Elymus glaucus 



Triticum compactum. 



Do 



Do 



EJymus glaucus 



Triticum compacium. 



Elymus glaucus 



Triticum compactum . 



Do , 



Do 



Elymus glaucus 



Elymus candensatus . 



Do 



Do 



Elymus glaucus 



Triticum compactum. 

 Elymus candensatus . . 

 Elymus glaucus 



Do 



Elymus candensatus . 



Do 



' Triticum compactum . 



Do 



Do 



Elymus glaucus 



Triticum. compactum ... 



do 



do 



^Various 



Triticum. compactum 



....do ^ 



....do 



Secale cereale 



Triticum compactum 



Hordeum vulgare 



Triticum. compactum. . . 



Hordeum nulgare 



Triticum, vulgare 



Hordeum, vulgare 



Triticum, vulgar e 



Triticum cam,pactum. . . 

 do 



Hordeum, vulgare 



Triticum compactum. . . 

 do 



Hordeum vulgare 



do 



Triticum. compactum.. . 



do 



do 



Hordeum, vulgare 



Triticum vulgare 



Hordeum vulgare 



Elymus canadensis . . . . 



Holcus lanatus 



Hordeum. jubaium. ... 



Hordeum, vulgare 



Koeleria cristata 



Phleum. pralense 



Poa compressa 



Secale cereale 



....do 



do 



Triticum com.pactum.. 



do 



do 



do 



do 



do 



Triticum dicoccum <». . 



do 



do 



Triticum durum 



do 



Triticum, monococcum 



do 



Trilicutn vulgare 



do 



do 



do... 



do 



30 

 305 



336 



Heavy. 



Do. 

 Do. 



29 

 4 



238 

 242 



34 



33 

 38 



43 

 SI 

 106 

 109 



38 

 43 



24 

 36 



IQ4 

 122 



128 

 136 

 69 

 81 



54 

 69 

 18 

 31 

 161 

 177 



Weak. 



Do. 

 Very heavy. 



Do. 



Do. 



Do. 



Do. 



Do. 



Variab le, 

 mostly weak. 



Weak. 



Weak to 

 moderate. 



Moderate. 



Heavy. 



Moderate to 

 heavy. 



Variable; 

 mostly weak. 



Do. 

 Weak. 

 Do. 

 Do. 



a A ntunber of different varieties of Triticum dicoccum, T. durum, T. monococcum, and T. vulgare were 

 tried. There was sometimes a varietal difference in susceptibility. 



