PUCCINIA. 179 



P. thalictri. Chevil. 

 No uredospore found. 



Teleutospores, dark brown, rough with warts, a short 

 peduncle. 



On thalictrum cornuti or meadow rue. 



P. Hydrophylli. Pk. 



No uredospores. 



Teleutospores, nearly the shape of the thalictri. 

 Sea ce. On Virginian water leaf. 



P. lobelise. Ger. 



No uredospores. 



Teleutospores, spots scattered on the under surface of the 

 leaf, small and hardly discernable on account of the hairy 

 surface of the leaf. 



On Lobelia syphilitica. 



P. Maydis. 



This is the Puccinia sorghi. Schw. Indian Corn Brand. 



Uredospores common before the brand spores appear. The 

 rust spots generally appear about the middle of July. 



Teleutospores appear later ; best time to get specimens is 

 after the corn straw is stacked late in fall or early in spring. 



Not abundant enough to do any harm to our crops of corn. 



P. solidaginis. Pk. 



No uredospores. 



Teleutospores, spots dark, but very prominent on the 

 Solidago nemoralis or goldenrod. 



Quite common on the leaves of Solidago nemoralis during August. 



