182 Illinois State Laboratory of Nat H nil I/isfory. 



Spores with the teleutospores, subglobose to obiong, echinuhite, 

 yellowish brown, 16-27 by 27-30 ^. III. Spores quite uni- 

 form, rounded at both ends, broad, with a very short, nearly 

 hyaline apiculus, and sometimes a simular projection on the 

 side of the lower segment, thick walled, dark colored, smooth, 

 30 by 44^; pedicels as long as 90 t*. 



Spots none ; sori amphigenous, pulvinate, densely aggregated, 

 blackish brown; spores rather large, broad, long pedicelled. Schweinitz, 

 N. Am. Fungi, No. 2931, p. 296. 



On Kn-hnia eupatoriodes : Lee, Sept. 9, 5761, II., III.: La 

 Salle, Sept. 12, 1478, Sept. 14, 1542; Stephenson, Sept. 14, 

 5889, II., III.; Champaign, Sept. 23; McLean, Oct. 7, 1823; 

 Jersey, Oct. 12, 6270. 



P. conoclinii, Seymour. 



II., III. Mostly hypophyllous; spots small, purple, often 

 confluent over large areas, becoming pale; sori scattered, sparse 

 or very numerously associated, not often confluent, uredosori 

 cinnamon-brown; teleutosori dark reddish brown; uredospores 

 subglobose to oval, sharply echinulate, 18-27 ^; teleutospores 

 broadly oval, little constricted, ends rounded, walls thick, warty, 

 27 by 32-42 ^ ; pedicel nearly hyaline, firm, crooked, very long, 

 about three times the length of the spores. 



On Conocliniitm ccelestinum: Pine Hills, Union Co., Sept. 

 11, 5034, II., III. F. S. Earle. 



This is P. centaurece, DC. of Berkeley's Notices of North 

 American Fungi (Grevillea III. p. 53) ascertained by examina- 

 tion of the original specimens in Herb. Curtis, but differs from 

 other authentic specimens bearing this name. 



P. asteris, Duby. 



III. Hypophyllous. Sori densely crowded in round, dis- 

 tinct, and firm clusters, the latter scattered, few or many, light 

 to dark brown; spores smooth, clavate. gradually narrowed to 

 the septum and toward the base, upper segment widest, apex 

 thickened, rounded or pointed, 15-18 by 33-45 /*; pedicel nearly 

 hyaline, usually somewhat shorter than the spore. 



Spots above yellowish, sori large, fuscous, orbicular and elongated, 

 convex, compact, and powdery, scattered, hypophyllous, surrounded by 



