478 



Journal of Agricultural Research 



Vol. X, No. 9 



Table XXXI. — Results of inoculations with urediniospores of P. graminis avenae — ■ 



Continued 



Original host. 



Immediate host. 



Plant inoculated. 



Trials. 



Re- 

 sult. 



Degree of in- 

 fection. 



Avena sativa 



Dactylis glomerata 



Avena sativa 



Dactylis glomerata 



Do 



Avena sativa 



Agrostis exareta 



Dactylis glomerata 



Do 



Do 



Do 



Do 



Do 



Do 



Avena sativa 



Pttnicularia pauciflora . . 



Agrostis exarata 



Anthoxanthum pitelii. . . 

 Panicularia pauciflora. . 

 Dactylis glomerata 



Do 



Do. 



Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 



Avena sativa 



do 



do 



do 



do , 



do 



do 



do , 



do 



....do 



....do 



Avena fatua 



Koeleria cristata . . 

 Bromus tectorum. 



do 



Avena satrva 



do 



....do 



Hordeum vulgare . 



Avena sativa 



do 



.do. 



....do 



do 



Avena fatua. 

 Avena sativa. 



do 



do 



Festuca cfvina 



Festuca rubra 



do 



do 



Holcus lanatus 



. . ..do 



do 



Hordeum jubatum 



Hordeum pusillum 



Hordeum spontaneum, . 



Hordeum vulgare 



....do 



....do 



....do 



....do , 



....do 



do 



....do 



....do 



Hordeum vulgare ( Abys- 

 sinian). 



Hordeum vulgare palli- 

 dum. 



Hordeum vulgare Palli- 

 dum subvar. pyrami- 

 datum. 



Hystrix paiula 



Koeleria cristata. . . . 

 Lolium italicum. . . . 



....do 



Lolium perenne 



Lolium temulentum. 



ISI 

 5 



191 

 16 

 5S 



Moderate. 



Small ure- 

 dinium. 



Moderate. 



Small ure- 

 dinia. 



Minute ure- 

 dinia. 



Do. 

 Do. 



Small ure- 

 dinia. 



Heavy. 

 Moderate. 



Minute ure- 

 dinia. 



Small ure- 

 dinia. 



Heavy. 



Weak. 



Do. 

 Moderate. 



