216 Tllinois State Lahovatory of Natxral Hii^torij. 



19-24 /tt; teleutosori scattered or united in groups, often very 

 numerous and sometimes confluent, low. at first orange-yellow, 

 changing to pale reddish brown; teleutospores about four-celled, 

 cylindrical or enlarged above, epispore thin, smooth. 



llredo i^onclii-arvenxis. Crowded, subconfluent, fulvous, sori nearly 

 plane, irregular. Hab.: frequent in autumn on leaves of Sonchus ar- 

 vensk in fields after harvest. — Persoon, Syn. Fung., p. 217. 



On leaves of Vernonia fasciculate : Tazewell, Jnly 22, 

 2491, II.; Champaign, Aug. 11, 1023, II., III.; Piatt, Aug. 15. 

 1070, II., III.. Aug. 17,Jtlll, II., III.; McLean, Sept. 6, 5671, 

 II., III., Oct. 6. 1810. II., III., Oct. 13. 1862. II.. III.; LaSalle. 

 Sept. 14, 1545, II.. III.. Sept. 29, 6240. III.; JoDaviess, Sept. 

 15, 5911, II.; Jersey, Oct. 13, 6296, II.. III.: Jackson, Oct. 22, 

 1955, II.. III.: Union, Oct. 24, 1970, 1984. II., III., 1985, II.. 

 III.. 1986, II., III., Oct. 26, 2034, Oct. 27, 2067, II. III.; Pu- 

 laski, Nov. 4. 2233. Elephantopas CaroUnianifs: Union, Oct. 

 26. 2033, II., III. Aster saf/ittifoUiis: Jackson, April 21, 4213, 

 II.; Pulaski, May 5, 4508, II.. 4509, II.. May 6, 4532, II., May 

 10, 4592. II.; McLean, July 12, 2488, II., July 15, 2486, II.. 

 July 29, 2487, II., Aug. 1, 2463, II., III., Aug. 6, 2485, II., 

 2489, II., Oct. 18, 1885. II., III.; McHenry, Aug. 20, 1162, II.; 

 LaSalle, Sept. 13, 1507, II.: Stephenson, Sept. 13, 5823, II.. 

 Sept. 14, 5881, II., IIL, JoDaviess, Sept. 16, 5950, 11. ; Rock 

 Island, Sept. 27, 1685, II.; Fulton, Oct. 3, 1741, II. Aster sps.: 

 Jackson, April 25, 4292. II.: Johnson, May 12, 4650, II.; Adams. 

 July 11, 5499, II., 5500, II.; McLean, Aug. 1, 2490, II.: Piatt. 

 Aug. 10, 1008, II.; McHenry, Aug. 24, 1283, II. ; Cook. Sept. 6, 

 1452, II.; JoDaviess, Sept. 19, 5998, II.: Fulton, Oct. 3, 1736. 

 II.. Ill; Union. Oct. 21, 1906, II., III. Solid ayo latifolia: Mc- 

 Lean, Aug. 1, 2481, II., Aug. 6, 2483. II., 2484, II., Oct. 12. 

 1853, II., III. S. altissima: Adams, July 1, 5378, II., July 3, 

 5386, II., July 7, 5448, II.; Lee, Sept. 9, 5752, II. S. ulmifolia: 

 McLean, Aug. 6, 2482, II.; LaSalle, Sept. 17, 1570. S. Cana- 

 densis: Adams, July 11, 5498. 11. ; McLean, Jnly 12, 2479, II., 

 July 15, 2478. II., 2480, II., III., July 16, 2477, II., Aug. 6. 

 2476, II., Oct. 18, 1879, II.; McHenry,' Aug. 20, 1178, II., Aug. 

 24, 1279, II.; Stephenson, Sept. 13, 5817, II.; Rock Island, 

 Sept. 24, 1619, II., III., Sept. 27. 1684. II., IIL; Fulton, Oct. 3, 

 1743, IT.; Union, Oct. 25, 2006, II., IIL, Oct. 27. 2060, 11.. 



