1 78 PUCCINIACE^. 



Spores at maturity forming more or less of a powdery mass, 

 with permanent basidio, usually dark brown, two-celled, 

 septum transverse. 



The species included under this genus are what are called in 



common, brand (teleutospores). They are supposed to carry 



the uredospores through the winter, which in early spring will 



germinate and again form uredospores. 



For a fuller description and good illustrations of this genus, I would 

 recommend Peck's Report, No. 25, p. no. 



P. graminis. 



Uredospores, spots yellow, scattered over upper surface of 

 the leaf, bursting lengthwise ; spores globose, generally called 

 rust. 



Teleutospores, spots darker, sori linear spores black or 

 brown under the microscope. 



On leaves and culm of grass or grain. 



P. podophylli or aculeata. Schw. 

 Mayapple Brand. 



^ciditim spore in the form of ^cidium podophyllum. 

 No true uredospores present. . 



Teleutospores, following the disappearance of the cluster 

 cups. Spots brown, with the upper side yellowish. 



Spores, peculiar, two-celled, with a broad band nearly in 

 the center, rough, with spines, giving it the appearance of a bug. 



Common on the leaves of Podophyllum peltatum. All through Lehigh 

 County, Pa. 



P. circese. Enchanters' Nightshade Puccinia. 



Spots, white on the lower surface, making the upper surface 



pale. 



No uredospores found as yet. 



Teleutospores, light colored short peduncle. 

 Found on circeae in woods. 



