52 



It is thought by many to be very hurtful to stock that eat it 

 in the hay. The fungus has been known to occur on timothy 

 and cultivated rye in many states and is usually more or less 

 injurious in its effects. 



UREDINEAE. THE BUSTS- 



Piv< IXIA MEMTHAK, Pers. Mint rust II III. On leaves of 

 Mint (Menthay* ), in wild flower garden, and on common 

 wild mint ( Menth,a canadensis\ along streams. Very plenti- 

 ful This is one of our most destructive rusts. The plants in 

 the garden were almost ruined by it this year. 



C<I,EOSPMRIUM HHIDAGINIS, ( Schw. ) Thuem Golden-rod rust. 

 On leaves of tall golden-rod ( Solidayo serotina ), in the flower 

 garden and in the fields- Common- Frequently covers near- 

 ly every leaf on a plant with scattered masses of orange colored 

 spores. Destructive 



COLEOSPOIUUM SOXCHI, (Pers.) Lev. On leaves of wild aster in 

 both wild flower garden and field. Common. Not nearly so 

 injurious as the preceding species. 



SPHAEROPSIDEAE. 



SKPTORIA OENOTHKRAE, West- Leaf spot of evening primrose. 

 Very plentiful on yellow evening primrose (Oenotftera bietmis], 

 in wild flower garden and in the fields. It is very destructive 

 fom ing large, irregular, pallid spots on the leaves. 



HYPHOMYCETES. 



PKKH TI.AKIA (iiiisEA, [Cke ] Sacc. On leaves of foxtail (Xet&riu 

 oiridis and A', glauca), millet (Setti,ri<i it<ilir<i], and rice-cut grass 

 [ Leersia mryinica]. Common. It often proves very injurious 

 to millet, causing the leaves to shrivel and dry up long before 

 it is fit to cut for hay. 



CEKOSPOKA KOSKOLA, Pass. Rose leaf spot. On leaves of both 

 wild and cultivated roses, forming roundish pallid spots bor- 

 dered by purple. Not yet found to be very plentiful on cul- 

 tivated roses here, but becomes very destructive to the wild 

 rose. 



