190 Illinois State Lahnratorii of Nrttvral Histoi-ij. 



latter usually much elongated and often confluent, erect, short, 

 irregularly split, not recurved; spores elliptical or ovate-oblong, 

 minutely echinulate^ 15-18 by 22-28 (U.. 



II., III. Hypogenous. Spots yellow or brown, often con- 

 spicuous, frequently confluent; sori scattered, round, rather 

 large, uredosori yellowish brown, flat, teleutosori blackish, 

 prominent; uredospores subglobose or ovate, minutely echinu- 

 late, thin walled, about 18-21 by 21-24 ^; teleutospores short, 

 broadly ovate or broadly oval, somewhat constricted, ends 

 rounded, furnished with a short, obtuse, almost hyaline, apic- 

 ulus, surface beset with minute warts, 21-27 ^; pedicel hyaline, 

 once to twice length of spore. 



Scattered, punctiform, obscurely spadiceous, spores subquadrangu- 

 lar; pedicel very short— Persoon Syn. Fung., p. 227. 



On leaves of Mentha Canadensis : Ogle, Sept. 25, G169, II., 

 III. Mentha sps : Lee, Sept. 27, 6206, II., III. Cimila Mari- 

 ana: Johnson, May 11, 4620, I., II., May 12, 4652, II., May 15, 



4690, I., II., III., May 16, 4707, II., 4711, II.. III., Jersey, Oct. 

 12, 6268, II., III., Oct. 18, 6298, II.. III.; Union, Oct. 25, 2009, 

 II., III. Pycnanthemum piJosum: Adams, July 6, 5486, II., 

 July 7, 5446, II. P. Janceolatum: McHenry. Aug. 20, 1163, 

 II., III.; Stephenson. Sept. 13, 5887, II., III.; JoDaviess, Sept. 

 15, 5918, II., III. P. linifolium: Jersey, Oct. 12, 6267, II., 

 III. Monardafistidosa: Johnson, May 12, 4658, IL, May 15, 



4691, II.; Adams, June 28, 5322, IF., June 30, 5869, II., III., 

 July 5, 5419, II., III.; McLean, July 11,2894, IL, July 15, 

 2395, II., July 16, 289f), IL, July 17, 5578, II., III.; McHenrj, 

 Aug; 20, 1180, IL. III., Aug. 24, 1285, IL, III.; Lake, Aug. 27, 

 1357, IL, III., Aug. 29, 1867, IL, III.; Lee, Sept. 8, 5722, IL, 

 III.; Stephenson, Sept. 13, 5799, IL, III.; Rock Island, Sept. 21, 

 1610, IL, III., Sept. 26, 1664, IL, III., Sept. 27, 1672; Fulton, 

 Oct. 1, 1769, IL, III.; Jersey, Oct. 12, 6265, IL, III.; Cham- 

 paign, Nov. 7, 2276. M. Bradhuriana: Johnson, May 11, 

 4619, II. ; Jersey, Oct. 18, 6294, IL, III. M. punctata: Cook, 

 Sept. 8, IL, III., coll. J. C. Arthur; Lee, Sept. 11, 5782, II. 

 BlephiUa hirsiita: Pulaski, May 2, 4448, IL, May 5, 4494, IL, 

 Johnson, May 11, 4618, II. ; Adams, June 28, 5828, II. ; Mc- 



