182 I/Hho/'s State Ldtxtratorij of Natural Histonj. 



Spores with the teleutospores, subgiohose to oblong, echinulate, 

 yellowish brown, 16-27 by 27-30 n. 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 44jtt; pedicels as long as 90 /«. 



Spots none ; sori amphigenous, pulvinate, densely aggregated, 

 blackish brown; spores rather large, broad, longpedicelled.— Schweinitz, 

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



On Kiihnia cnpatoriodex: Lee, Sept. 9, 5"761, 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.. 111. 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 fi ; pedicel nearly hyaline, flrm, crooked, very long, 

 about three times the length of the spores. 



On Conoclinliiiii neJestinum: Pine Hills, L^nion Co., Sept. 

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



This is P. ('entaurea\ DC. of Berkeley's Notices of North 

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

 tion of the original specimens in H^rb. 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 i^; pedicel nearly 

 hyaline, usually somewhat shorter than the spore. 



Spots above j'ellowish, sori large, fuscous, orbicular and elongated, 

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



