JACKSON: UREDINALES OF OREGON 279 
ON JUNCACEAE: 
Juncus Bolandert Engelm.—Ashland, Jackson Co., Sept. 10, 1914, 
2a 2G: 
Juncus ensifolius Wikstr.—Minum River, Wallowa Co., Aug. I1, 
1897, E. P. Sheldon, Aug. 20, 1897, 8751a; Corvallis, Aug. 10, I9ITI, 
1188, July 29, 1914, 2522; Philomath, Oct. 28, 1911, 7184, 1185, 1186, 
jan.-6; 1o14, 1700; Clatsop,. Clatsop Co., Nov. 7; 1913, 7799; Hood 
River Co., Aug. 5, 1914, 2521; Ashland, Jackson Co., Sept. 10, 1914, 
2524; Newport, Lincoln Co., July 17, 1915, 3394. 
Juncus Mertensianus Bong.—Big Creek, Waldport, Lincoln Co., 
Aue. 23, 1915, F. D. Bailey, 3361. 
Juncus orthophyllus Cov.—Silver Lake, Lake Co., (?) Aug. 20, 
1891, J. B. Lieburg, from Phan. spec. in N. Y. Bot. Gard. 765. 
Juncus oxymeris Engelm.—St. Johns, Multnomah Co., July 28, 
1902, E. P. Sheldon, from Phanerogamic specimen in National Museum 
IIO1Q. 
This species has not been connected with any aecial form. From 
field observations made by the writer in Oregon it seems probable 
that the aecia are to be looked for on Aster. 
195. Uromyces Lupini Berk. & Curt. Proc. Am. Acad. 4: 126. 1858. 
Nigredo Lupini Arth. Résult Sci. Congr. Bot. Vienne 344. 1906. 
ON LEGUMINOSAE: 
Lupinus laxiflorus Dougl.—Garden Home, Multnomah Co., Aug. 
1909, 1828, July 20, 1915, 3240. 
Lupinus rivularis Dougl.—Springbrook, Yamhill Co., May 14, 
1914, F. D. Bailey, 1528. 
Lupinus sp.—Mt. Hood, Aug. 31, 1901, E. W. D. Holway, Aug. 
9, 1914, 3227; Bonneville, Multnomah Co., Aug. II, 1910, 1074, 
1088; Philomath, May 10, 1914, 3108; Springbrook, Yamhill Co., 
June 22, 1914, F. D. Bailey, 3111; Jetty, Lincoln Co.,-July 19, 1915, 
VanGundia, 3131; Newport, Lincoln Co., July 20, 1915, 3264; Hood 
River, July 23, 1915, 3020; Eddyville, Lincoln Co., Aug. 9, 1915, 
Hoerner, 3750. 
196. Uromyces MEpIcAGINIs Pass. in Thiim. Herb. Myc. Oecon. 156. 
1874. 
Nigredo Medicaginis Arth. N. Am. Flora 7: 256. 1912. 
On LEGUMINOSAE: 
Medicago lupulina L.—Albany, Linn Co., Aug. 1907, David 
Griffiths; Medford, Jackson Co., June 26, 1915, G. B. Posey, 3057. 
The aecia of this species in Europe have been shown by Schroeter 
(Krypt. Fl. Schl. 3!: 306. 1887) and by Trebaux (Ann. Myc. ro: 74. 
1912) to occur on various species of Euphorbia. 
