162 lUrnois Sfafe Lahoratorij of NafiiraJ ITistonj. 



yellowish brown, spores subglol)Ose or ovul, echinulate, 18-21 

 by 21-24 /t. III. Sori blackish purple, elliptical to subro- 

 tund. with a prominent obtuse hyaline apiculus, epispore thick, 

 smooth, 18-24 by 27-32 /t; pedicels hyaline, fragile, 1| to 2 

 times the length of the spore. 



On Phaseolits vulgaris: Boone, Sept. 2, 1425, II., III.? 

 Union, Oct. 21, II., III., Oct. 24, 1W88, II., III. P. diversifo- 

 Uus: Cook, Sept. 5, 1442, Sept. 0, 1448. II.. III.; Lee, Sept. 0, 

 5758, II., III.; LaSalle, Sept. 17, 1562, II., III.; Rock Island, 

 Sept. 24. 1()4:], 11.. TIL; Union, Oct. 21, 1907, Oct. 24, 11)81, 

 Nov. ;5, 2189. P. helroJns: Union, Oct. 24, 1967, Oct. 25, 1995, 

 Oct. 29, 2112. 



In Obs. Myc. I, p. 17, Persoon described P^redo ((ppcndivn- 

 lata, and in Syn. Fung. pp. 221-222, repeated it with var. pli((- 

 seoli. and two other varieties. The latter have l>een referred to 

 other species, leaving the original name for this form; but 

 the name J^romijces phaseoli is frequently used. 



U. oenotherae, Burrill. 



I. Infected leaves somewhat involute or revolute: peridia 

 irregularly scattered over l)oth surfaces of the leaf, minute, 

 short, roundish or slightly elongated, with a whitish, spreading 

 or somewhat recurved, irregularly lacerated border; spores pale, 

 globose-angular, 15 ;tt in diameter. IT. Spots red-purple, 

 indefinite; sori epigenous, roundish, soon naked, brown; spores 

 subglobose, minutely echinulate, brown, 15-18 by 16-24 t*.. 

 III. Spots same; sori roundish or oblong, epigenous and soon 

 naked, or cauline and long covered by the epidermis, blackish; 

 spores oval, elliptical, or oblong, strongly thickened at the 

 apex, broadly rounded or variously pointed, dark brown, 16-18 

 by 24-30 ^; pedicels about 1^- times the length of the spore, 

 often broad, tinted, especially close to the spore. 



On (Enofhcra linifoUa: Jackson, April 27, 4342. I., II., III., 

 April 28, 4359. I., IL, III. 



The aicidia occur on the cauline leaves, affecting all alike, 

 but sparingly on the radical leaves; the uredo- and teleutoforms 

 are mostly confined to the radical leaves. The pedicels of the 

 uredo spores are frequently persistent. 



